Question

If f(x)=x^2 _5 then the value of f(3)

Answer 1

Answer : 4

Step-by-step explanation:

$f (x)= x^{2} -5$

To find f(3), replace x everywhere by 3.

$f(3) = (3)^2 -5\\f(3) = 9-5\\f(3) = 4$

Hence, the value of f(3) is 4.

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