Math Problem Statement

Given f(x)= x²+5x+6 and h(x) = x+2 and find the folowing (f-h)(x)

Solution

To find (fh)(x)(f-h)(x), we need to subtract h(x)h(x) from f(x)f(x):

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

Now, compute (fh)(x)(f-h)(x):

(fh)(x)=f(x)h(x)(f-h)(x) = f(x) - h(x) (fh)(x)=(x2+5x+6)(x+2)(f-h)(x) = (x^2 + 5x + 6) - (x + 2)

Distribute the subtraction: (fh)(x)=x2+5x+6x2(f-h)(x) = x^2 + 5x + 6 - x - 2

Combine like terms: (fh)(x)=x2+4x+4(f-h)(x) = x^2 + 4x + 4

So, (fh)(x)=x2+4x+4(f-h)(x) = x^2 + 4x + 4.

Would you like any more details or have any questions?

Here are 5 related questions:

  1. How do you find (fh)(x)(f \cdot h)(x) given the same functions?
  2. What is the result of (f+h)(x)(f + h)(x) for these functions?
  3. How do you find (f/h)(x)(f/h)(x) and what are the conditions for it to be defined?
  4. What is the vertex of the quadratic function (fh)(x)(f-h)(x)?
  5. How do you find the roots of the equation (fh)(x)=0(f-h)(x) = 0?

Tip: When subtracting polynomials, remember to distribute the negative sign to each term in the polynomial you are subtracting.

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Math Problem Analysis

Mathematical Concepts

Algebra
Polynomial Functions
Subtraction of Functions

Formulas

(f-h)(x) = f(x) - h(x)

Theorems

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Suitable Grade Level

Grades 8-10