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3 years ago

What is the inverse of f(x)? show the work f(x)+3x+5

Mathematics

1 answer:

stealth61 [152]3 years ago

6 0

Answer:

$f^-^1(x)=\frac{1}{3}x-\frac{5}{3}$

Step-by-step explanation:

To solve for the inverse, we need to switch the variables and solve for y.

Note that f(x) is the same as y or in other words, the output.

f(x) = 3x + 5

y = 3x + 5

~Switch variables

x = 3y + 5

~Subtract 5 to both sides

x - 5 = 3y

~Divide 3 to everything

1/3x - 5/3 = y

~Flip

y = 1/3x - 5/3

Best of Luck!

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