Question

Dado f(x)=-2+1 e g(x)=5x-3 calcule: f(0) f(-1) g(3) g(-2)

Answer 1

F(0)=?
f(x)=-2x+1
f(0)=-2x0+1
f(0)=0+1
f(0)=1

f(-1)=?
f(x)=-2x+1
f(-1)=-2(-1)+1
f(-1)=2+1
f(-1)=3

g(3)=?g(x)=5x-3
g(3)=5x3-3
g(3)=15-3
g(3)=12

g(-2)=?
g(-2)=5(-2)-3
g(-2)=-10-3
g(-2)=-13