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F(x)=x²+4 What is the value of when f(x)=4​

2 Answers

2 votes
Answer: x = 0

Steps:
The equation can be written as:
4 = x²+4

Now just simplify:
x² = 0
x = square root of 0
x = 0

Hope this helps :)
User Schnee
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4.2k points
10 votes
when f(x)=4, x has a value of 0
User Michael Kenzel
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4.4k points