Applications Of Exponential Functions Quiz
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Identify the initial value here: y = 6.87 (4)x
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A=3
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A = 6.87
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A=4
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A=1
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Do you know all about exponential functions? Take the quiz if you know where and how it can be used. This exponential functions quiz will help you understand your level of knowledge when it comes to the use of exponential functions in various day-to-day calculations. We have got these questions for your practice as well as knowledge enhancement. Give it a try, and see how well you score on this math quiz. All the best! Do not forget to share the quiz with others.
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- 2.
A gas costs $1.99 per gallon. If the price per gallon increases an average of 6% per month, which of the following function models the exponential growth of the pricing?
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1.99(1.06)t
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1.06(1.99)t
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1.99(.94)t
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[1.06(1.99)]t
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- 3.
Which of these functions shows a starting amount of $15 and an increase of 35% every year?
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Y = 35(1+ 0.15)x
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Y = 15(35)x
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Y = 15(1 + 0.35)x
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Y = 15(0.35)x
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- 4.
James decides to invest $20 in stock at Target. The stock raises 1.8% each year. Write an equation to model the situation then find how much money this stock will be worth in 6 years.
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Y = 20 (0.018)x $1.11
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Y = 20 (0.982)x $17.93
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Y = 1.8 (20)x $115,200,000
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Y = 20 (1.018)x $22.26
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- 5.
Pick the equation which is exponential decay.
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Y=2000(0.88)
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Y=0.5(1.88)
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Both
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None
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- 6.
Jessica deposited $10 in a savings account earning 5% interest, compounded annually. Write an equation then find to the nearest cent, how much interest will she earn in 3 years?
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Y = 10 ( 5)x $1, 250
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Y = ( 1.05)x $1.15
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Y = 10 ( 3)x $2, 430
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Y = 10 ( 1.05)x $11.58
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- 7.
What does the following equation represent, exponential growth or decay? y = 5 ( 0.3)x
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Decay because 0 < 0.3 < 1
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Decay because 0.3 < 1
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Growth because 5 >1
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None of the above
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- 8.
What is the starting term, for this function: f(x) = 300(1.16)x?
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X
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.16
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1.16
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300
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- 9.
Suppose a culture of bacteria starts with 5000 cells and dies by 30% every year. Write an equation to represent this situation.
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Y=30(5000)x
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Y=5000(1.3)x
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Y=5000xx
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Y=5000(0.7)x
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- 10.
A child asks his dad for a pocket money that starts with a penny and then doubles every day for a month. Which of the following functions can be used to model the amount of money (A) the child will receive each day(x)?
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A(x) = 0.01(2)x
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A(x) = 2(0.01)x
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A(x) = 0.01(1 - 2)x
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A(x) = 2(1.01)x
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- 11.
Pick an equation that is exponential growth.
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Y=2(0.5)x
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Y = 0.5(2)x
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Both
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None
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- 12.
Suppose an automobile that originally costs $14,000 depreciates by 20% of its value every year. Which exponential equation is suitable to model this situation?
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Y=14000(.20)x
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Y=14000(1+.80)x
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Y=14000(.80)x
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Y=14000(1+.20)x
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- 13.
A town doubles its size every 5 years. If the population of the town is currently 500, write an equation and find what will the population be in 20 years?
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Y =5 (2)x 80 people
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Y = 500 (2)x 8,000 people
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Y = 500 (.2)x 0.8 people
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Y = 500 (2)x 524, 288, 000 people
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- 14.
An equation in the form of y=bx will represent decay if
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B > 1
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B < 0
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0 < b < 1
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B>0
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- 15.
Which of the following is an increasing exponential function whose y-intercept is 50?
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Y = 50x - 4
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Y = 50(.05)x
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Y = 50(1.4)x
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Y = (2)x + 50
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Quiz Review Timeline (Updated): Aug 16, 2023 +
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Current Version
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Aug 16, 2023Quiz Edited by
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Nov 01, 2022Quiz Created by
Sophia Smith
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