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Math·Algebra·Linear functions
easyf(x)=90+80x
For a certain type of repair, the function f gives the total amount, in dollars, an electrician charges for materials and x hours worked. According to this function, how much does the electrician charge, in dollars, for each hour worked?
For a certain type of repair, the function f gives the total amount, in dollars, an electrician charges for materials and x hours worked. According to this function, how much does the electrician charge, in dollars, for each hour worked?
A
10
B
80
C
90
D
170