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2 years ago

If f(x) = -3 3 and g(x)= 4x2 + 2x - 4, find (f +g)(x).

Mathematics

1 answer:

alina1380 [7]2 years ago

3 0

Answer:

A. 4x² + 9x/4 - 7

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right<u> </u>

<u>Algebra I</u>

Terms/Coefficients
Functions
Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

f(x) = x/4 - 3

g(x) = 4x² + 2x - 4

(f + g)(x) is f(x) + g(x)

Substitute in functions: (f + g)(x) = x/4 - 3 + 4x² + 2x - 4
Combine like terms: (f + g)(x) = 4x² + 9x/4 - 7

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<em><u>Solution:</u></em>

Given that, Sarah paints a straight line

The line is $13\frac{1}{2}$ feet

She wants to divide the line into sections that are each 18 ft long

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$\text{Length of line } = 13\frac{1}{2} = 13.5 \text{ feet }$

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2 years ago

If f(x) = -3 3 and g(x)= 4x2 + 2x - 4, find (f +g)(x).​

If f(x) = -3 3 and g(x)= 4x2 + 2x - 4, find (f +g)(x).