Is -3/7 an irrational number?

No, it is rational

Step-by-step explanation:

This is a rational number, because it can be written in the form a/b  where a and b are integers

No, It is not

Step-by-step explanation:

because an irrational is not terminating and non repeating number

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