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Maths Puzzle
Numerical Ability
What is the answer for the number of inches in x feet?
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book Other Question
For each function, find a formula for the inverse.
1) y=2x-8
x=2y-8
2) y= 2
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x+7
x= 2
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y+7
I must find the domain and range for:
f(x) 3x-2 over 4+5x
Domain:
4+5x=0
-4 both sides
=5x=-4
divide 5 both sides
x=-4 over 5
How do I find the range?
Thank You