Question

Write the equation for the area (A) in terms of width (w) of a playground if the length (l) is twice as long as the width (w). You do not need to solve the equation.

Answer 1

A=l*w
l=2w

Answer 2

Which of the following is an example of a function?

{(-1, 0), (-1, 3), (3, 9), (5, 10)}

{(1, 3), (2, 5), (3, 8), (4, 10)}

{(4, 6), (5, 9), (4, 7)}

{(0, 2), (0, 3), (1, 5), (4, 5)}