Answer:

1. f(x)=2x-3

A. f(x) =2x-3

f(-3)=2(-3)-3

f(-3)=-1-3

f(-3)=-4

B. f(x) =2x-3

f(1)=2(1)-3

f(1)=2-3

f(1)=-1

C. f(x) =2x-3

f(4)=2(4)-3

f(4)=8-3

f(4)=5

2. g(x) =-3x

A. g(x) =-3x

g(-3)=-3(-3)

g(-3)=0

B. g(x) =-3x

g(1)=-3(1)

g(1)=-3

C. g(x) =-3x

g(4)=-3(4)

g(1)=-12

3. h(x) =3x-4

A. h(x) =3x-4

h(-3)=3(-3)-4

h(-3)=0-4

h(-3)=-4

B. h(x) =3x-4

h(1)=3(1)-4

h(1)=3-4

h(1)=-1

C. h(x) =3x-4

h(4)=3(4)-4

h(4)=12-4

h(4)=8