Exponential Function Exam

Simplify. Your answer should only include positive exponents.

• A

• B

• C

• D

Simplify. Your answer should only include positive exponents.

• A

• B

• C

• D

Simplify. Your answer should only include positive exponents.

• A

• B

• C

• D

• A

• B

• C

• D

There were 417 cell phones sold at an electronics store in January. Since then, cell phone sales at this store have increased at a rate of 3.75% per month. At this rate of growth, which function can be used to determine the monthly cell phone sales x months after January?

Create the exponential function with the following attributes:

Asymptote: y = 0

Initial value: 3

Point on the graph: (2, 6)

Growth

A shipping company started with 40 employees. The number of employees in the shipping company increases at a rate of 7.5% each year. What function can be used to model the number of employees, f(x), in the shipping company after x years?

Solve the equation for x.

• 7.389

• 0.693

• 0.0183

• 6.581

A sample of a substance with an initial mass of 963 grams is decaying at a rate of 27% per hour.<\/p>

Create a function that can be used to find y<\/em>, the mass of the substance in grams remaining after x<\/em> hours.<\/p>

Enter your answer in the space provided.<\/p>

Mathematical Equivalence

ON

Tags

A1.5.9.C

Which equation matches the graph?

• y = 2^x+3

• y = 2^x + 3

• y = 2^x

• y = 2^-x