# Given function y = x2 + 4x (a) Find y=f(x). (b) Find the critical values. (c) Find the critical points.

## Question:

Given function y = x2 + 4x

(a) Find y’=f’(x).

(b) Find the critical values.

(c) Find the critical points.

(d) Find intervals of x-values where the function is increasing and where it is decreasing.

(e) Classify the critical points as relative maxima, relative minima, or horizontal points of inflection,

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## Step by Step Answer:

**Related Book For**

## Mathematical Applications for the Management Life and Social Sciences

**ISBN:** 978-1305108042

11th edition

**Authors:** Ronald J. Harshbarger, James J. Reynolds

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