IMHORRIBLEATMATH44
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HELP ME PLEASEEEEEE!!!!!

Noel is a computer repairman. To fix a computer, he charges a customer $40 per hour, plus a fixed fee of $15 for the service call, as represented by the function f(x) = 40x + 15. In the equation, what is represented by the variable “x”?

A.the amount Noel charged per hour
B.the number of hours Noel worked
C.the fixed fee for the service call
D.the total cost of the repair job
(please be positive about the answer)

Respuesta :

Joy2369
B.The number of hours Noel worked
raphealnwobi

B. The number of hours Noel worked

The equation for a linear equation is given by:

y = mx + b;

where y is the dependent variable, x is the independent variable, m is the rate of change of y with respect to x, b is the initial value of y that is value of y when x is 0.

Given the function:

f(x) = 40x + 15

Since f(x) represent the total charges, 15 represent the fixed fee, 40 represents the charges per hour and x represents the number of hours for which Noel worked.

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