1.bila p(x) = 4x -1 dan p (a) = 15 maka A + 2 = 2.

p(a)=4a-1
4a-1=15
4a=16
a=4

a+4=4+4=8



maaf nomer 2 gak jelas bisa diketikin aja?

p(a) = 15
15 = 4a - 1
16 = 4a
4 = a


a + 2 = 4 + 2
= 6