Question

A power company calculates a person's monthly bill from the number of kilowatt -hours ( kwh) , x, used . the function b(x)= determines the bill. how much is the bill for a person who uses800 kwh in a month ? a. $110 b. $60. $90 d. $80

Answer 1

Information is missing on the price of electricity.

Explanation:

There is information missing on the cost of the electricity, per kwh. b(x) = ????.

If it is $0.20/kwh, then we would have:

b(x) = $0.20x

b(800) = $0.20*(800)

b(800) = $160

It depends on the price.