For what value of x is the rational expression below equal to zero? 20+2x
5-x
O A. -10
O B. -5
C. 10
O D. 5

A.-10 should be the answer to the question..

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:

126 maybe. sorry