Question

Dada a função f(x) = -2x + 3 calcule:

1- f(3)
2- f(1)
3- f(x) = -7
4- f(x) = 0

Answer 1

f(3)=-2(3)+3=-6+3=-3
f(1)=-2+3=1
f(-7)=-2(-7)+3=14+3=17
f(0)=-2+3=1