Intro to Exponential Functions Review

Which equation represents a function with an initial value of 12 and 40% decay?

Tags

CCSS.HSF.LE.A.2

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x

• y = 15(1.35)^x

• y = 15(0.35)^x

• y = 35(1.15)^x

Tags

CCSS.HSF.LE.A.2

Which of the following functions shows an initial amount of 800mg and a decrease of 40% per hour?

• y = 40(800)^x

• y = 800(1.4)^x

• y = 800(.4)^x

• y = 800(.6)^x

Tags

CCSS.HSF.LE.A.2

What type of equation(exponential growth, exponential decay, linear) would be best to model this situation? Explain why.

What is the y-intercept of the function?

• 2

• 3

• 1

• -2

Tags

CCSS.HSF-IF.C.7E

Which equation represents a function with an initial value of 3 and 160% growth?

Tags

CCSS.HSF.LE.A.2

Is the graph growth or decay?

• growth, it increases from left to right

• decay, it decreases from left to right

• growth, it increases from right to left

• decay, it decreases from right to left

Tags

CCSS.HSF-IF.C.7E

The graph of an exponential function is shown on the grid.

Which dashed line is an asymptote for the graph?

• Line a

• Line b

• Line c

• Line d

Tags

CCSS.HSF-IF.C.7E

Which inequality best represents the domain of the part shown?

Tags

CCSS.HSA.REI.D.12

What is the x-intercept of the exponential function? 

• (0,1)

• (0,0)

• There is not one

Tags

CCSS.HSF-IF.C.7E