Question

Tolong dibantu nomor 1-10

Answer 1

No 9. aja ya 1 buah

f(x)= ax+b | f(3)= 5(3)+b=9
"""""""""""" | f(3)= 15+b=9
f(3)= 3a+b=9 | b=9-15
f(1)= 1a+b=-1 | b= -6
"""""""""""""""" - |
2a+0= 10 | jadi f(x)= 5(x)+(-6)

2a=10
a=10/2
a= 5