Question

Diketahui suatu fungsi linear f(x) = 2x + m tentukan bentuk fungsi tersebut jika f(3) = 4 . bantu jawab ya !

Answer 1

F(3) = 2.3 + m = 4
6+m= 4
m=-2
f(x) = 2x -2

Answer 2

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

f(x) = 2x + (-2)
f(x) = 2x - 2