Math Problem Statement

  1. Given f(x) = x ^ 2 + 5x + 6 and g(x) = 2x + 4 what

A. ((x + 3)(x + 2))/(2x + 4)

C. (x + 3)/2

B. (x + 3)(x + 2)

D. (2x + 4)/(x + 3)

Solution

The problem seems to involve the functions f(x)=x2+5x+6f(x) = x^2 + 5x + 6 and g(x)=2x+4g(x) = 2x + 4, and it asks to identify or relate them to the given expressions.

Let's break it down:

1. Factorization of f(x)f(x)

Given: f(x)=x2+5x+6f(x) = x^2 + 5x + 6

This quadratic expression can be factored as: f(x)=(x+3)(x+2)f(x) = (x + 3)(x + 2)

2. Simplification of g(x)g(x)

Given: g(x)=2x+4g(x) = 2x + 4

This linear expression can be factored as: g(x)=2(x+2)g(x) = 2(x + 2)

Comparison with Given Options:

A. (x+3)(x+2)2x+4\frac{(x + 3)(x + 2)}{2x + 4}:

Simplifying the denominator: (x+3)(x+2)2(x+2)\frac{(x + 3)(x + 2)}{2(x + 2)} The (x+2)(x + 2) terms cancel out: x+32\frac{x + 3}{2}

This matches option C.

B. (x+3)(x+2)(x + 3)(x + 2):

This is exactly f(x)f(x), so this is the factorization of f(x)f(x).

C. x+32\frac{x + 3}{2}:

This is the simplified result from A.

D. 2x+4x+3\frac{2x + 4}{x + 3}:

Simplifying the numerator: 2(x+2)x+3\frac{2(x + 2)}{x + 3} This doesn't simplify to anything from the previous expressions.

Conclusion:

  • Option A simplifies to Option C.
  • Option B is the factorization of f(x)f(x).
  • Option D is the fraction of g(x)g(x) over x+3x + 3, which doesn't directly match the given options when simplified.

Would you like more details on any part of this process, or do you have any questions?

Here are 5 related questions to explore:

  1. How do you factor a quadratic equation like f(x)f(x)?
  2. What are the steps to simplify rational expressions?
  3. How do you solve for xx if given f(x)=g(x)f(x) = g(x)?
  4. What happens if you substitute specific values of xx into these functions?
  5. How does the graph of f(x)=x2+5x+6f(x) = x^2 + 5x + 6 compare to the graph of g(x)=2x+4g(x) = 2x + 4?

Tip: Always check for common factors in both the numerator and denominator before simplifying rational expressions.

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Math Problem Analysis

Mathematical Concepts

Quadratic Equations
Rational Expressions
Factorization

Formulas

Quadratic formula

Theorems

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Suitable Grade Level

Grades 10-12