Question

Diketahui f(x)=7x+p dan f(2)=10
Nilai dari f(3)+f(-2)=

Answer 1

Mencari nilai p dulu :
f(x) =7x+p
f(2) =7(2)+p
10 = 14+p
10-14 = p
-4 = p
rumus fungsinya :
f(x) =7x-4
nilai f(3)+f(-2) :
pakai rumus fungsi f(x)=7x-4
(7(3)-4) + (7(-2)-4)
=(21-4) + (-14-4)
=17 + (-18)
= -1