Precalculus Exponential Functions with Graph

Exponentials are a way to represent repeated _________

Tags

CCSS.HSF-IF.C.8B

Which will grow the fastest as x→∞ ?

• An exponential growth function

• A cubic function

• A quadratic Function

• A linear function

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which function best describes the following graph?

• y = Log₂ X

• 2^x = y

• y = 1/(2x)

• (1/2)^x = y

Tags

CCSS.HSF-IF.C.7E

What is the correct transformed equation for the graph?

• y = log(x - 4)

• y = log(x) - 4

• y = log(x + 4)

• y = log(x) + 4

Tags

CCSS.HSF-IF.C.7E

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

• y=5000(0.7)^x

• y=30(5000)^x

• y=5000(1.3)^x

• y=5000x^x

Tags

CCSS.HSF.LE.A.2

Logarithmic functions are the __________ of exponential functions

Tags

CCSS.HSF-BF.B.4A

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

• 9766

• 9006

• 9765

• 5433

Tags

CCSS.HSF.BF.A.2

What type of pattern do exponential functions have?

• Adds by the same number every time

• Multiplies by the same number every time

• Square roots all the inputs

• Squares all the inputs

Tags

CCSS.HSF-IF.C.8B

Identify the common ratio (multiplier) of the function f(x)=2(4)^x.

• 2

• 4

• (2)^x

• 8

Tags

CCSS.HSF-LE.A.1A

What is the domain?

• All real numbers

• x > 0

• x > 1

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5