Question

Diketahui suatu fungsi linear.
f(x)=2x+m. Tentukan bentuk fungsi tersebut jika f(3)=4.

Answer 1

F(3) = 2(3) + m = 4
f(3) = 6 + m = 4
f(3) = m = 4-6
f(3) = m = -2

Answer 2

F(x) = 3x + m
f(3) = 3(3) + m = 4
6 + m = 4
m = 4 - 6
m = - 2
jadi, f(x) = 3x + m
f(x) = 3x - 2