Math 1 Unit 6 Interim Reviewer

Which of the following describes a characteristic of an exponential function?

• As the input increases, an exponential function increases or decreases very slowly.

• As the input increases, an exponential function increases or decreases at a constant rate.

• As the input increases, an exponential function is always represented by a straight line.

• As the input increases, an exponential function increases or decreases very quickly.

• (0,1)

• (3,0)

• (0,3)

• the number of rodents after x years

• the number of rodents after an increase of 50%

• the population increases by 2400 annually

• the initial population of rodents

• 0.25

• 1-0.25

Jana and Dana are saving money to buy their favorite kpop merchandise. Jana saves 5 dollars at the end of the first week while Dana saved 20. After that week, Jana was able to double the previous amount in the succeeding 5 weeks while Dana increased her savings by 20 weekly. If the trend continues, on which week will Dana's savings be twice Jana's? (NOTE: Just enter the number of your answer.)

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Which of the following functions in the graph is most likely an exponential function?

• function 1

• function 2

• both are exponential since both of them are non-linear

• neither since exponential functions are graphed with a line

Which table of values represent an exponential function?

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