Answer:
(x) =
Step-by-step explanation:
let y = f(x) and rearrange making x the subject.
y = 4x + 5 ( subtract 5 from both sides )
y - 5 = 4x ( divide both sides by 4 )
= x
Change y back into terms of x
(x) =
Two schools start with 1000 students. The first school's enrollment increase 20% in 2012 and then decreases 20% in 2013; the sec
1 answer:
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