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ladessa [460]
4 years ago
11

The function f(x)=(x-1)^2+5 is not one-to-one

Mathematics
1 answer:
Maurinko [17]4 years ago
3 0

Answer:

True

Step-by-step explanation:

If x = 2 Than (x-1)^2 = 1

If x= 0 than (x-1)^2 = 1

For a one to one function this cannot happen as there x determines f(x) but also f(x) determines x.

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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}

8 0
3 years ago
I need help I’m bad at math
Alina [70]
If you'd graph this function, you'd see that it's positive on [-1.5,0], and that it's possible to inscribe 3 rectangles on the intervals [-1.5,-1), (-1,-0.5), (-0.5, 1].

The width of each rect. is 1/2.

The heights of the 3 inscribed rect. are {-2.25+6, -1+6, -.25+6} = {3.75,5,5.75}.

The areas of these 3 inscribed rect. are (1/2)*{3.75,5,5.75}, which come out to:

{1.875, 2.5, 2.875}

Add these three areas together; you sum will represent the approx. area under the given curve on the given interval:  1.875+2.5+2.875 = ?
5 0
3 years ago
For a party, Samantha bought eight half gallon bottles of soda. About how many cups of soda did Samantha buy?
harkovskaia [24]

Answer:

the anser is 64 cups

Step-by-step explanation:

half gallon is 8 cups and she bought 8 of them so multiply 8 and 8 or 8^2 and you get 64

pls mark brainliest

6 0
3 years ago
Read 2 more answers
If Sally has 2 apples a Jeremy has 9 apples how did they get 24?
Elza [17]
They bought more apples
6 0
3 years ago
PLEASE HELP ITS FOR GEOMETRY DO NOT WASTE ANSWERS WILL MARK BRAINLIEST
Kay [80]

Answer:abc

Step-by-step explanation:

4 0
3 years ago
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