Answer:
a. 8
b. 80
Step-by-step explanation:
Answer:
(x) = x + 8
Step-by-step explanation:
let y = f(x) and rearrange making x the subject, that is
y = 9(x - 8) ← divide both sides by 9
= x - 8 ( add 8 to both sides )
+ 8 = x
Change y back into terms of x with x = (x) , thus
(x) = x + 8
Answer:
14/5 or 2 4/5
Step-by-step explanation:
7 3/5 = 38/5
4 4/5 = 24/5
38/5 - 24/5 = 14/5 = 2 4/5