Question

Tolong jawab nomor 10 - 14

Answer 1

10. f(x) = ax + b
f(-1) = -1a + b = 1
f(3) = 3a+b = 9      _  lalu eliminasi
         -4a = -8
             a = 2

3a + b = 9
3.2 + b = 9
6 + b = 9
b = 3