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Naomi's electricity costs depend on the number of kilowatt hours she uses, as shown in the graph below. According to this graph, which expression can be used to calculate her electricity cost after using x kilowatt hours?

A. 0.06x + 40
B. 0.08x + 20
C. 0.1x + 10
D. 0.12x

Naomis electricity costs depend on the number of kilowatt hours she uses as shown in the graph below According to this graph which expression can be used to cal class=

Respuesta :

Answer:

b. 0.08x + 20

Step-by-step explanation:

its B because the price goes up $40 every 500 KW's so

40 divided by 500 = 0.08