pre cal
posted by kisha .
for a monthly customer charge of $5.69 plus 8.48 cents per kilowatthour for up to 1000 kilowatthours. (a) Write a linear equation that relates the monthly charge C, in dollars, to the number x of kilowatthours used in a month, 0 ≤ x ≤ 1000.

C = 5.69 + .0848x