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I need help with finding the answer to number 2
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35 votes
35 votes
I need help with finding the answer to number 2

I need help with finding the answer to number 2-example-1
User NtFreX
by
2.6k points

1 Answer

12 votes
12 votes

Solution

2)

Step 1:

Write the function


f\text{\lparen x\rparen= 25x}^4

Step 2:

To find the input when the ouput is -3, substitute f(x) = -3


\begin{gathered} f(x)\text{ = 25x}^4 \\ \text{-3 = 25x}^4 \\ Divide\text{ both sides by 25} \\ (-3)/(25)\text{ = }(25x^4)/(25) \\ (-3)/(25)\text{ = x}^4 \\ Tak\text{e fourth root of both sides.} \\ \sqrt[4]{(-3)/(25)}\text{ = }\sqrt[4]{x^4} \\ \text{x = }\sqrt[4]{(-3)/(4)} \\ The\text{ input for the output -3 is undefined.} \end{gathered}

Answer

Undefined

User Yellows
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