Question

Dada a função f(x)= -2x +3, determine f(1)

Answer 1

f(x) = -2x + 3

f(1) = -2.1 + 3

f(1) = - 2+3

f(1) = 1           ok

Answer 2

f(x) = -2x+3
f(1)=-2.1+3
f(1)=-2+3
f(1)=1