EOC Review Fall 2020

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Which choice could be modeled by a linear function?

• the amount of money, y, in an account after x years earning 4% interest compounded annually

• the monthly cost, y, to use a cell phone for x minutes at a rate of 4 cents per minute

• the height, y, of a ball after bouncing x times, if each bounce reaches the previous height

• the amount, y, of radioactive material remaining after x years when decay occurs at a rate of 30% each year

• The value of f(x) exceeds the value of g(x) by 20.

• The value of g(x) exceeds the value of f(x) by 20.

• The value of f(x) exceeds the value of g(x) by 50.

• The value of g(x) exceeds the value of f(x) by 50.

• The y-intercept of g(x) is half the y-intercept of f(x).

• The y-intercept of g(x) is two times the y-intercept of f(x).

• The y-intercept of g(x) is equal to the y-intercept of f(x).

• The y-intercept of g(x) is the negative value of the y-intercept of f(x).

• The first station had a higher initial price per gallon and increased at a greater amount per month than the second station.

• The second station had a higher initial price per gallon and increased at a greater amount per month than the first station.

• The first station had a higher initial price per gallon but increased at a smaller amount per month than the second station.

• The second station had a higher initial price per gallon but increased at a smaller amount per month than the first station.

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Laura and Denise begin saving money with $100 each. Laura saves $20 per month, while Denise saves 15% of her current balance each month. Which statement describes the growth of their savings?

• Laura’s savings grow exponentially, while Denise’s savings grow linearly.

• Laura’s savings grow linearly, while Denise’s savings grow exponentially.

• Both savings grow exponentially.

• Both savings grow linearly.

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