Question

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

Answer 1

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

f(1) = 1

Answer 2

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