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vodomira [7]
1 year ago
13

Which of the following describes the behavior of the graph shown over the interval (-2,2)?

Mathematics
1 answer:
sergejj [24]1 year ago
7 0

Hello!

We are trying to describe the behavior of the graph given in the question.

To help us understand how to solve this question, we would need to understand <u>concavity.</u>

There are two types of concavity:

  • Concave <em>up</em>
  • Concave <em>down</em>

When a graph is concave up, the slope of the line would look like a "U".

When a graph is concave down, the slope of the line would look like a "U" that is flipped upside down.

In this case, we can see that the graph is concave down.

We can tell that the <em>slope</em> is negative due to the fact that the slope is going <u>down,</u> which results in the graph having a negative slope.

We can also tell that the graph is decreasing due to the fact that the line is doing downward.

Answer:

C). negative and decreasing

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32% chance of selecting red at random.
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Zoe is 16 years old. Her brother, Luke, is 3 years more than half her age. Write a numerical expression for Luke's age.
olga nikolaevna [1]

Answer:

<u><em>16 : 2 + 3 </em></u>  (remember pemdas)

Step-by-step explanation:

Zoe is 16 years old. Her brother, Luke, is 3 years more than half her age. Write a numerical expression for Luke's age.

16 : 2 + 3 = 11

8 0
2 years ago
The Quadratic Formula, x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times
DedPeter [7]

Answer:

The correct option is  2 .

Therefore ,the missing denominator of the solution. 4 plus or minus the square root of 2, all over is <u>  2 . </u>

     x=\dfrac{4\pm\sqrt{2}}{2}

Step-by-step explanation:

For a Quadratic Equation ax² + bx + c = 0

By Formula Method we get

x=\dfrac{-b\pm\sqrt{b^{2}-4ac}}{2a}

So we have Quadratic Equation is 2x² - 8x + 7 = 0

On Comparing we get

a=2\\b=-8\\c=7

Substituting a , b, c values we get

x=\dfrac{-(-8)\pm\sqrt{(-8)^{2}-4(2)(7)}}{2(2)}\\\\x=\dfrac{8\pm\sqrt{64-56}}{4}\\\\x=\dfrac{8\pm\sqrt{8}}{4}\\\\x=\dfrac{8\pm2\sqrt{2}}{4}\\\\x=2(\dfrac{4\pm\sqrt{2}}{4})\\\\x=\dfrac{4\pm\sqrt{2}}{2}

Therefore ,the missing denominator of the solution. 4 plus or minus the square root of 2, all over is <u>  2 . </u>      

7 0
2 years ago
airplane a traveled 1273 miles in four hours.For airplane b y=621 x/2 represents rate of speed over the same four hours wichair
Triss [41]

Answer:

255⋅2

1273

=x

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Which number is irrational? a)9.2727… b)√2 c) 5 x √9 d) -37/71
jenyasd209 [6]

Answer:

The answer is B.

Step-by-step explanation:

Irrational number is a number that cannot be written in a fraction-form.

In the option above,

Option A,

9.2727 =  \frac{92727}{10000}

Option B,

\sqrt{2}  =  \sqrt{2}

Option C,

5x \sqrt{9} \\  = 5x \times 3 \\  = 15x \\  = \frac{15x}{1}

Option D,

-  \frac{37}{71}  =  -  \frac{37}{71}

5 0
2 years ago
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