Which expression is equivalent to 7/2h-3(5h-1/2)?

-23/2h+3/2

Step-by-step explanation:

7/2h-3(5h-1/2)

7/2h-15h+3/2

7/2h-30/2h+3/2

-23/2h+3/2

(-23h+3)/2

Step-by-step explanation:

7/2h-3(5h-1/2)=

7/2h-3*5h+3*1/2=

7/2h-15h+3/2=

7/2h-30/2h+3/2=

-23/2h+3/2 or

(-23h+3)/2

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: