Question

Diketahui f(x) = px+q. Jika f(2)=9 dan f(-1)=3. Maka nilai p dan q adalah...

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Answer 1

Verified answer

F(x) = px+q

f(2) = 2p + q = 9
f(-1) = -p + q = 3
—————— -
3p = 6 <=> p = 2

subs nilai p
2p + q = 9
2(2) + q = 9
q = 9-4
q = 5