Which adjustment would turn the equation y=2x^3-4 into linear function? A. take 2 out of the equation
B. take -4 out of the equation
C. change the exponent from 3 to 2
D. change the exponent from 3 to 1

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:

answer: y = -2.5x - 15

              (-6,0)

step-by-step explanation:

the answer is b