Question

dado a função f(x) = -2x+3 determine f(-2)

Answer 1

f(x)= -2x+3
f(-2)= -2.-2+3
f(-2)= 4+3
f(2)= +7

Answer 2

f(x) = - 2x + 3
f(-2) = - 2.(-2) + 3
f(-2) = 4 + 3
f(-2) = 7