Tolong kerjakan nomor 4&5.

4. f(-2) = 4(-2³) + 2(-2²) – 3(-2) + 5
= -32 + 8 + 6 + 5
= -13
5. f(2) = 2^5 + m(2⁴) – 2(2³) + 2 + 1 = 3
32 + 16m – 16 + 3 = 3
16m = – 16
m = -1
f(x) = x^5 – x⁴ – 2x³ + x + 1
f(-2) = (-2^5) – (-2⁴) – 2(-2³) + (-2) + 1
= -32 – 16 + 16 – 1 = -33