# How do you find the axis of symmetry, and the maximum or minimum value of the function #f(x) =x^2 + 3#?

##### 1 Answer

The answer can be derived without any calculations!

#### Explanation:

For a quadratic; if the

Your equation has a positive

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Consider the standard form equation of

There is no term for

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Suppose for your question there was no constant. Then the minimum would be at

The constant of 3 lifts the graph up by 3 from this point. Thus the minimum is at: