Interpreting Linear Functions

Front

f(x)=9x+5. Find f(7).

Back

68

Front

Find k(-20) for the function k(x)=x/5-3.

Back

-7

Front

What is the meaning of d(4)=37 in the function d(x)=9.25x, where Derek works at Subway making $9.25 an hour?

Back

After 4 hours of work, Derek makes $37.

Front

What is the meaning of p(8)=52 in the function p(x)=5x+12, which tells us the total amount of pencils Ms. Brackemyer has after collecting for x number of days?

Back

After 8 days, Ms. Brackemyer has 52 pencils.

Front

Find t(16) for the function t(x)=x/8+2x.

Back

34

Front

Find g(8) for g(x)=3x+4 in the context of a company selling bubble gum.

Back

g(8)=28. This means that 8 packages of gum costs $28.

Front

A holiday meal costs $12.50 a person plus a delivery fee of $30. Which equation represents the amount a holiday meal costs, including delivery, for x people?

Back

y = 30 + 12.5x 

Front

A family buys a case of water with 48 bottles and drinks 5 bottles per day. Which equation shows the number of bottles left after x days? Options: y = 48x + 5, y = -5 + 48x, y = -5x - 48, y = 48 - 5x

Back

y = 48 - 5x

Front

Another meaning of y-intercept? Options: location, initial value, total, constant rate

Back

initial value

Front

Population after 9 years: y = 60,000 - 500x

Back

55,500