3 years ago

Piecewise Functions

Mathematics

1 answer:

Lisa [10]3 years ago

4 0

Answer:

(0, -5), (3, -6), (4, -8)

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Then, multiply 35 by 50 which is equal to 1750.

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4 years ago

The area of a rectangle is x^2−4/2x in^2 and its length is (x+2)^2/2 in. What is the width in inches?

lara31 [8.8K]

Answer:

The answer to your question is Width = $\frac{x - 2}{x + 2}$

Step-by-step explanation:

Data

Area = (x² - 4)/2 x in²

Length = (x + 2)² / 2 in

Width = ?

Process

1.- Write the formula of the area of a rectangle

Area = length x width

-Solve for width

Width = Area / length

2.- Substitute the values

Width = (x² - 4)/2 / (x + 2)² / 2

-Simplify

Width = (x² - 4) / (x + 2)²

-Factor both numerator and denominator

Width = (x - 2)(x + 2) / (x + 2)(x + 2)

- Simplify

Width = (x - 2) /(x + 2) or Width = $\frac{x - 2}{x + 2}$

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