Question

f( -2) = -3 (-2) +3/2

Answer 1

f(-2) = -3.(-2) + 3/2
f = -3.(-2) + 3/2 ÷ 2/1
f = +5 + 3/2 . 1/2
f = +5 + 3/4
f = +5 + 0.75
f = 80

Espero ter ajudado!