Algebra 1 : How to find f(x)

Study concepts, example questions & explanations for Algebra 1

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Example Questions

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Example Question #7 : Functions

Define .

Evaluate .

Possible Answers:

Correct answer:

Explanation:

To evaluate  substitute six in for every x in the equation.

Example Question #8 : Functions

Define

Which of the following is equivalent to ?

Possible Answers:

Correct answer:

Explanation:

To solve this problem replace every x in  with .

Therefore,

Example Question #91 : How To Find F(X)

If , solve for  if .

Possible Answers:

Correct answer:

Explanation:

We are given an equation that is a function of x.  Substitute the given fraction and replace it with the variable.

Simplify the right side.

The answer is:  

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