A computer technician charges a fixed amount for a repair, plus an additional amount per hour. The equation below describes y, the total amount the technician charges, in dollars, based on x hours for the repair.
y = 45x + 75
What is the meaning of the initial amount for the equation?
A.
It means the technician charges $45 per hour for the repair.
B.
It means the technician charges a fixed amount of $45 for the repair.
C.
It means the technician charges a fixed amount of $75 for the repair.
D.
It means the technician charges $75 per hour for the repair.
1 answer
The correct answer is:
C. It means the technician charges a fixed amount of $75 for the repair.
In the equation \( y = 45x + 75 \), the initial amount (the constant term, 75) represents the fixed charge for the repair, regardless of the number of hours (x) worked.
