Math Problem Statement

The function is given as f (x) = x2 + 4x + 3. Determine the interval where the graph of f (x) is decreasing.

(–∞, –2) (–∞, –3) (–2, ∞) (–3, ∞)

Solution

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Math Problem Analysis

Mathematical Concepts

Calculus
Quadratic Functions
Derivatives

Formulas

Derivative of a function f'(x) = 2x + 4

Theorems

First Derivative Test

Suitable Grade Level

Grades 10-12