Three rare coins with diameter of 7/8 inch, 3/4 inch and 5/8 inch are mounted in a rectangular frame. what is the perimeter of the frame if the coins fit exactly? ​

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the answer would be c:   ax + b = ax + c

step-by-step explanation:

i think the correct option is the second option.

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