Math, asked by andrew432133, 5 months ago

Use the function expression f(x) = x2 (power of 2) + 7 to find x if f(x) = 23


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Answers

Answered by alize14
0

Answer:

f(x)=23

then,

f(x)=x^2+7

23=x^2+7

23-7=x^2

16=x^2

x= 4

verify--

x^2+7=23

4^2+7=23

16+7=23

23=23

LHS=RHS

hence,

x =4 ans.

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