Precalculus 3.1 Exponential Functions

In an exponential function, what does the 'b' represent?

• Input

• Rate of change

• Y-intercept

• Output

Tags

CCSS.HSF-IF.C.8B

Which equation is represented by the table?

• y = 40(2)^x

• y = 40(1/2)^x

• y = 40 - 2x

• y = 40 - 1/2x

Tags

CCSS.HSF.LE.A.2

Which equation matches the graph?

• y = 2^x+3

• y = 2^x + 3

• y = 2^x

• y = 2^-x

Tags

CCSS.HSF.LE.A.2

Solve the equation for x.

• 7.389

• 0.693

• 0.0183

• 6.581

Tags

CCSS.HSF.BF.B.5

Write the function for the following table:

• f(x)= 1(2)^x

• f(x)= 2(1)^x

• f(x) = 2x+1

• f(x)= x+2

Tags

CCSS.HSF.LE.A.2

Write the function for the following table:

• f(x) = 5x + .08

• f(x)= 5x + 2

• f(x) = .08(5)^x

• f(x)= 2(5)^x

Tags

CCSS.HSF.LE.A.2

Which table represents the following equation?

• 
• 
• 
• 

Tags

CCSS.HSF.LE.A.2

Write an equations that models the data shown.

Tags

CCSS.HSF.LE.A.2

Suppose the population of a species of insects doubles every year. There are 1600 insects initially. The function for the scenario would be?

Tags

CCSS.HSF.LE.A.2

Suppose the population of a species of insects doubles every year. The function gives the number of insects after x years. How many insects will there be after 3 years?

• 9600

• 12,800

• 200

• 8000