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Lyrx [107]
3 years ago
15

Thank you for any help!

Mathematics
2 answers:
Amanda [17]3 years ago
4 0

<u>Answer:</u>

D. No. (0, 0) satisfies y>2x-1 but does not satisfy y\leq x^2-4.

<u>Step-by-step explanation:</u>

We are given the following system of equations and we are to determine if (0, 0) is its solution or not:

y\leq x^2-4

y>2x-1

Substituting the given point (0, 0) in both the equations to check if it satisfies them.

y\leq x^2-4 \implies 0\leq (0)^2-4 \implies 0\leq -4 - False

y>2x-1 \implies 0 > 2(0)-1 \implies 0>-10 - True

Therefore, the correct answer option is D. No. (0, 0) satisfies y>2x-1 but does not satisfy y\leq x^2-4.

mash [69]3 years ago
3 0

The answer is D

0 is not less than or equal to -4, and in the second equation, 0 is greater than -1

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Which of the following is true for the relation f(x) = x2 + 8? Only the inverse is a function. Both the equation and its inverse
Alchen [17]

<u>ANSWER</u>

Only the equation is a function

<u>EXPLANATION</u>

f(x)=x^2+8 is graphed above with its inverse f^{-1}(x)=\pm \sqrt{x-8}.


We perform the vertical line test for both the equation and its inverse.


The equation f(x)=x^2+8 passed the vertical line hence it is a function.

However, f^{-1}(x)=\pm \sqrt{x-8} failed the vertical line test, hence it is not a function.


3 0
3 years ago
Quiz 3
erica [24]

Complete question :

The data below represents the number of customers at each Slurpee Sam's Spaghetti Shop. 24, 25, 29, 30, 31, 31, 32, 34, 34. Which box plot correctly summarizes the data?

Answer:

B

Step-by-step explanation:

BOX plots provide information about :

Minimum, Lower quartile, Median, Upper quartile and maximum value of a dataset.

Given the dataset :

24, 25, 29, 30, 31, 31, 32, 34, 34

Minimum value = 24 (Lowest value in the dataset)

First quartile (Q1) = 1/4(n+1)th term

Q1 = 1/4 * 10 = 10/4 = 2.5th term = (25+29)/2 = 27

Second quartile ; median (Q2) = 1/2(n+1)th term

Q2 = 1/2(n+1)th term = 1/2(10) = 5th = 31

Third quartile (Q3) = 3/4(n+1)th term

Q3 = 3/4(n+1)th term = 3/4(10) = 30/4 = 7.5th term = (7th +8th) term = (32 + 34) / 2 = 66/2 = 33

Maximum value = 34 (Highest value in the dataset)

First dot = minimum value

Last dot = maximum value

First line of box = QI

mid line = median

End line of box = Q3

4 0
2 years ago
This is timed and Will mark BRAINLIEST!!!
sertanlavr [38]

answer is either A or D

I hope this help. but I'm not really sure.

5 0
3 years ago
So i need some help about percentages.
Lisa [10]
The answer is 12. if you need help, do 60•.2
7 0
3 years ago
Read 2 more answers
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