Simplify the following expression: (x + 7)2 x2 + 14x + 49
x2 – 14x + 49
x2 + 49
x + 49

Multiply the binomials: (3x – 2)(3x + 2)

9x2
3x2 – 4
9x2 – 12x – 4
9x2 – 4

GTFRZJzXKCV/

Step-by-step explanation:

B AND D

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: