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If f(x)=x^2 - 3 and f(a)=46, what is the value of a? explain

If f(x)=x^2 - 3 and f(a)=46, what is the value of a? explain
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If f(x)=x^2 - 3 and f(a)=46, what is the value of a? explain

User Yesbutmaybeno
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1 Answer

2 votes
You are trying to find what x to put into f(x) to get out 46. To do this, solve the following equation.

x^(2) -3 = 46

x^2 = 49

x^2 = √(49)
Therefore x = 7 or x = -7

-7, 7
User Youssouf Oumar
by
8.3k points
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