Question

Tolong bantuannya ya guys yg d sama e :)

Answer 1

Comment jika jwbannya kliruu !!
smoga bermanfaat ;)

Answer 2

D
f(x)
=8/(5-x)
=2

8/(5-x)=2
2(5-x)=8
10-2x=8
-2x=-2
x=1


e
f(a)
= 8/(5-a)
= 0,5

8/(5-a) = 0,5
0,5(5-a) = 8
2,5-0,5a=8
dikali 2
5-a=16
-a=1
a=-11