Evaluating Exponential functions

Which of the following is an exponential function?

• y = x²

• f(x) = 3x³

• y = x³

• f(x) = 3^x

What is the initial value in y=4(2)^x

• 4

• 2

• x

Tags

CCSS.HSF.LE.B.5

What is the y-intercept in y=4(2)^x

• (4,0)

• (0,2)

• x

• (0,4)

• (4,2)

Tags

CCSS.HSF-IF.C.7E

What is the starting amount in the problem below?

f(t) = 300(1.05)^t

• 300

• 1.05

• t

• y

Tags

CCSS.HSF.LE.B.5

What is the growth rate in the problem below?

f(t) = 300(1.05)^t

• 300

• 1.05

• t

• y

Tags

CCSS.HSF-IF.C.8B

What is the common ratio for the function f(x) = 25 (4)^x

• 25

• 4

b⁰ =

• -1

• 0

• 1

The y-intercept for any function in the form

y=b^x

• (0,0)

• (0,1)

• (1,0)

Tags

CCSS.HSF-IF.C.7A

What is the initial value of f(x)= a⋅b^x

• x

• b

• a

• idk

What is the y-intercept of the function?

• 1

• 2

• 4

• 3

Tags

CCSS.HSF-IF.C.7E