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3 years ago

6

Graph the functions and identify the domain and range. y=-1.5x^2

2 answers:

erma4kov [3.2K]3 years ago

8 0

You can give random values such as <span> (1,2.5) (2,9) (-1,2.5) (-2,9) and it is a parabola. You'll see that the range is (-infinte, 0] and the domain is (-infinit, infinite). </span>I hope that this is the answer that you were looking for and it has helped you.

Arte-miy333 [17]3 years ago

4 0

Answer:

The domain corresponds to all real number and range corresponds to any real number lesser than or equal to 0.

Step-by-step explanation:

Polynomial functions are continuous. Second order polynomial have a vertix, which is an absolute maximum since coefficient is a negative number. The function is plotted as follows.

The domain corresponds to all real number and range corresponds to any real number lesser than or equal to 0.

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Which two values of x are roots of the polynomial below? x^2-3x+5

Gemiola [76]

Given:

Polynomial $x^2-3x+5$

To find:

The values of x.

Solution:

$x^2-3x+5=0$

Quadratic equation formula:

$$x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Here $a=1, b=-3, c=5$ .

Substitute the values in the formula, we get

$$x=\frac{-(-3) \pm \sqrt{(-3)^{2}-4 \cdot 1 \cdot 5}}{2 \cdot 1}$

$$x=\frac{3 \pm \sqrt{9-20}}{2}$

$$x=\frac{3 \pm \sqrt{-11}}{2}$

$$x=\frac{3 - \sqrt{-11}}{2} \ \text{and} \ x=\frac{3 + \sqrt{-11}}{2}$

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3 years ago

Rachel finished 3/4 of the race in 6 hours. How long was the entire race?

Ugo [173]

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2 years ago

A map has a scale of 1:200000 How far is it from Belfast to Larne in Km if the distance on the map is 7.8cm

vivado [14]

Answer:

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Step-by-step explanation:

Given the map scale 1:200000

1cm on the map represents 200000 cm on ground or in actual distance

Hence, if distance from Belfast to Larne is 7.8vm on map ;

Actual distance will be :

7.8 * 200000 = 1560000 cm

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100000 cm = 1km

Therefore, (1560000 / 100000) km

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2 years ago

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masha68 [24]

Answer:

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Step-by-step explanation:

2/3 + 1/5

You first,

Find the L. C. M, i hope u know the full name, if u don't, let me know in the comment section.
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2 years ago

PLS HELP 20 points and brainliest

4vir4ik [10]

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Step-by-step explanation:

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2 years ago

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