Awindow washer earns $4 per window. which equation represents the relationship between his total earnings and the number of windows he washes? .
a. total earnings = number of windows washed + 4
b. number of windows washed = total earnings + 4
c.4 = number of windows washed × total earnings
d. total earnings = 4 × number of windows washed

D.total earnings = 4 × number of windows washed

Step-by-step explanation:

For each window he washes, he gets 4 dollars

Earnings = 4 dollars times the number of windows he washes

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step-by-step explanation:

for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2

step-by-step explanation:

g(x)=x-2

f(x)=|x|

(g o f)(a)=?

(g o f)(x)=g(f(x))

(g o f)(x)=g(|x|)

(g o f)(x)=|x|-2

(g o f)(a)=|a|-2