1. jika f(x) = 2x-m dengan f(5) = 7 maka nilai m adalah

Jawab

f(x) = 2x – m

f(5) = 7
2.5 – m = 7
m = 10 – 7
m = 3 ✔

F(x) = 2x-m
f(5) = 7
= 2(5) – m =7
= 10-m = 7
= 10-7 = m
= 3 = m