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NikAS [45]
3 years ago
15

Oliver earns $9 per hour. Write and solve an equation to find how many hours he must work to earn $315

Mathematics
1 answer:
natka813 [3]3 years ago
7 0
Y=9x

315=9x

315/9=x

35=x
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Given f (x) = 1/4x-3/4<br> Find f^-1
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The inverse of a function f(x) is f⁻¹(x) = 4x + 3 after using the concept of the inverse of a function.

<h3>What is a function?</h3>

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

We have a function:

\rm f(x) = \dfrac{1}{4}x-\dfrac{3}{4}

To find the inverse of a function:

Interchange the f(x) and x

f(x) → x

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\rm x = \dfrac{1}{4}f^{-1}(x)-\dfrac{3}{4}

Make the subject f(x);

\rm \dfrac{1}{4}f^-^1(x)=x+\dfrac{3}{4}

\rm f^-^1(x)=4x+3

Thus, the inverse of a function f(x) is f⁻¹(x) = 4x + 3 after using the concept of the inverse of a function.

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brainly.com/question/5245372

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