Page 119 - TB_6B

Activity 2 Writing Equations for Functions

1 . Complete the function table. Then write an equation for the function.

a. 3 L of water is filled in a b. Thomas volunteers for a
bathtub per minute. community service that
requires him to spend 2 hours
per day.

Minute(s), x 1 2 3 4 Day(s), x 1 2 3 4

Liters, y 3 6 9 12 Hours, y

y = 3x

c. Find the area of a rectangle that d. A heart pumps 5 L of blood per

has a height of 8 cm. minute.

Length, x 2 4 6 8 Minute(s), x 2 4 6 8

Area, y Liters, y

2 . Complete the table and write an equation to show the relationship

between x and y.
If 1 m of string is divided into 2 pieces, each piece is m21 long.

Length of String, x 1 2 3 4 y=
Length of 1 Piece, y

Is y a function of x?

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