Algebra 1 MP4 Exponential Functions Review

Determine if the function models exponential growth or exponential decay

Groups:

(a) Exponential Growth

,

(b) Exponential Decay

A part of an exponential function is graphed on the grid.

Which statements are true about the domain and range of the part of the function shown?

Select TWO correct answers

• The domain is the set of all real numbers greater than or equal to 1 and less than or equal to 8.

• The domain is the set of all real numbers greater than or equal to 2 and less than or equal to 5.

• The range is the set of all real numbers greater than or equal to 1 and less than or equal to 8

• The range is the set of all real numbers greater than or equal to 2 and less than or equal to 5.

• The domain and range is the set of all real numbers.

• The domain is all real numbers greater than or equal to 4.

• The range is all real numbers less than 0.

• The domain is all real numbers less than or equal to 0.

• The range is all real numbers.

• The initial deposit in the investment account was $1,581.

• The amount of money in the investment account increases 102% each year.

• The initial deposit in the investment account was $1,550.

• The amount of money in the investment account decreases 2% each year.

• The initial number of whales in the North Atlantic Ocean.

• The decay factor of the number of whales in the North Atlantic Ocean.

• The number of whales in the North Atlantic Ocean at the end of the first year.

• The growth factor of the number of whales in the North Atlantic Ocean.

The table represents some points on the graph of an exponential function.

Which function represents the relation shown in the table?

A company currently has 500 employees. The number of employees is expected to grow at a rate of 2% each year.

Write an exponential function to model the number of employees in the company, y, after x years.

Mathematical Equivalence

ON

This year the number of students who participated in sports was 317. Each year the number of students who participate in sports increases by 4%. Which function can be used to model the number of students participating in sports after x years?