Exponential functions ( quiz 3.2

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

b⁰ =

• -1

• 0

• 1

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

• 25

• 4

• Shifted up 5

• Shifted down 5

• Reflection over the x-axis

• Reflection over the y-axis

Tags

CCSS.HSF.BF.B.3

What is the domain of the function shown below?

• (-2,5)

• (0,12)

• All Real Numbers

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the x-intercept of the exponential function? 

• (0,1)
• (0,0)
• There is not one

Tags

CCSS.HSF-IF.C.7E