Beth's monthly charge for Internet access y is represented by the function
y = 2.50x + 12, where x represents the number of hours of usage during a
month. What is the total charge for a month in which Beth used the Internet
for 9 hours?

Respuesta :

Answer:

y =34.5

Step-by-step explanation:

9 times 2.50 = 22.5 + 12 = 34.5,

so y =34.5