Determine if each example is positive or
negative.
earned 25 dollars
20 feet below sea level
year
4 degrees below zero

a

step-by-step explanation:

u take $30 minus $24. the answer/original($30)

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