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Cerrena [4.2K]
3 years ago
15

Write a variable expression for the word phrase.

Mathematics
1 answer:
jeka57 [31]3 years ago
8 0
A is the equation answer
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Find the inverse of the given function.
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Y = \frac{2x+42}{19}

You can get this by switching the x and f(x) in the equation and then solve for f(x) 

f(x) = 19/2x - 21 ---> now switch them
x = 19/2f(x) - 21 ---> now add 21 to both sides
x + 21 = 19/2f(x) ---> now multiply by 2/19 on both sides
(2x + 42)/19 = f(x) ---> ANSWER
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