A computer repair specialist charges $\$160$ for the first two hours …

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A computer repair specialist charges

160 f or t h e f i r s ttw o h o u r so f r e p ai r pl u s

40 for each additional hour. The total cost for x hours of repair is given by a function f, where x ≥ 2. Which function f gives the total cost?

A computer repair specialist charges

\

160

f or t h e f i r s ttw o h o u r so f r e p ai r pl u s anh o u r l y f ee f or e a c ha dd i t i o na l h o u r . T h e t o t a l cos t f or

h o u r so f r e p ai r i s g i v e nb y a f u n c t i o n

w h er e

x \ge 2

. W hi c h f u n c t i o n

f$ gives the total cost?

f (x) = 40 x + 80

f (x) = 40 x + 160

f (x) = 60 x

f (x) = 60 x + 160