• function

• function rule

• function table

• domain

• range

• Make function tables and write equations.

Make a Function Table

WORK Asha make $6.00 an hour working at a grocery store. Make a function table that shows Asha’s total earnings for working 1, 2, 3, and 4 hours.

Interactive Lab: Function Machines

Answer:

1. A

2. B

3. C

4. D

MOVIE RENTAL Dave goes to the video store to rent a movie. The cost per movie is $3.50. Make a function table to find the amount Dave would pay for renting 1, 2, 3, and 4 movies.

A. $3.50, $7.00, $10.00, $14.00

B. $3.50, $7.50, $10.50, $14.50

C. $3.00, $6.00, $9.00, $12.00

D. $3.50, $7.00, $11.50, $15.00

READING Melanie read 14 pages of a detective novel each hour. Write an equation using two variables to show how many pages p she read in h hours.

Make a table to display the sequence.

Answer: p = 14h

Words Number equals 14 pages timesnumberof pages of hours. read

Variable Let p represent the number of pages read.Let h represent the number of hours.

Equation p = 14h

1. A

2. B

3. C

4. D

A. m = 55 + h

B. m = 55h

C. m = 55 – h

D. mh = 55

TRAVEL Derrick drove 55 miles per hour to visit his grandmother. Write an equation using two variables to show how many miles m he drove in h hours.

READING Melanie read 14 pages of a detective novel each hour. Use the equation p = 14h (p is how many pages she reads in h hours) to find how many pages Melanie read in 7 hours.

p = 14h Write the equation.

p = 14(7) Replace h with 7.

p = 98 Multiply.

Answer: 98 pages

1. A

2. B

3. C

4. D

A. 9.16 miles

B. 61 miles

C. 49 miles

D. 330 miles

TRAVEL Derrick drove 55 miles per hour to visit his grandmother. Using the equation m = 55h, find how many miles Derrick drove in 6 hours.

End of the Lesson