Diketahui fungsi f:R dengan rumus f(x) =-2X²+2X+3. Hitunglah : a. f(-3) ; b. f(-2)

F( -3) = 2x^2 + 2x + 3
= 2 (-3)^2 + 2(-3) + 3
= 18 + (-6) + 3
= 15

f (-2) = 2(-2)^2 + 2(-2) + 3
= 8 + (-4) + 3
= 7