Precalculus Functions Exponential and Logarithmic

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

What is the equation that represents the exponential function in the image below?

• y=3(½)^x

• y=3(2)^x

• y=(2)^x

• y=2(3)^x

Tags

CCSS.HSF.LE.A.2

Which of the following is the initial value of an exponential equation in the form y=a*b^x

• a

• b

• x

• a*b

Exponentials are a way to represent repeated _________

• 1

• 2

• 3

• 4

Tags

CCSS.HSF.BF.B.5

log(4x)

• log4-logx

• log4+logx

• 4logx

• xlog4

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

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