Question

A computer technician charges a flat base fee plus an hourly rate for all repairs. Last year, she used the formula y=18x+22 to determine the cost in dollars, y, of a repair that required x hours of work. If she doubles her base fee this year, what equation should she use to determine the new cost of an x-hour repair?

A. y=18x=22
B. y=36x+22
C. y=36x+44
D. 2y=18x+22

Answer 1

Ummm a thought i did some math and got the same answer for C and D made X equal 4 and for Y i got 188 35(4)+44=188 but D y would equal 94(2)=188 SO I WOULD say C or D but for this C would be my answer. I went a little off topic My Bad.

Answer 2

new cost equation is
`y=36x+44`

Explanation:

A computer technician charges a flat base fee plus an hourly rate for all repairs. Last year, she used the formula
`y=18x+22` to determine the cost in dollars, y, of a repair that required x hours of work.

From the given equation, the base fee= 22

she doubles her base fee this year, double of 22= 2*22=44

So base fee of new cost is 44

There is no information about hourly rate. so hourly rate can be any number

So, new cost equation is
`y=36x+44`