A = x² + 4x – 60 What is the length and width?
If x=9 what is the perimeter of the rectangle?

57 I think?

Step-by-step explanation:

A=x² + 4x - 60

A=9² + 4⁹ - 60

(9x9=81) + (4x9=36) - 60

= 57

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: