Tlg jwb yg mat no 1 dan 2 dong Pake cara ya plis bgtt kakak Mohon jawaban yg tepat Thx

no 1 diatas
no 2 → f(-2)=7-4(-2)=7+8=15, nilai p
f(2)=7-4(2)=7-8=-1, nilai q
p+q=15+(-1)=14