I need help please help me

a) The hours he spent traveling and the mile markers

b) false

c) true

d) input is the hours and the output is the miles traveled (mile markers)

Step-by-step explanation:

x - axis is usually our independent variable and that is the hours

y- axis is usually our dependent variable and that is the mile markers

1. d.90

2. e. none of these (80)

3. a. 0

4. b. 6

5. e. none of these (10)

6. a. 5

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