The histogram shows the numbers of shoppers in various age groups at a clothing store. use the histogram to answer the question.

how many shoppers are at least 30 years old?

a.
5

b.
7

c.
13

d.
17

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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