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Nadya [2.5K]
3 years ago
8

(3/4) URGENT!! PLEASE HELP! -50 POINTS- WILL MARK BRAINLEST ASAP AND 5 STARS IF CORRECT!!! please no wrong answers for the point

s.

Mathematics
2 answers:
saul85 [17]3 years ago
8 0

Answer:

D

Step-by-step explanation:

The graph above is your graph.

As <em>x</em><em> </em>increase, <em>y</em> decreases

As <em>x</em> decrease, <em>y</em> increases.

However, there is a small portion of the graph where both <em>x</em><em> </em>and <em>y</em><em> </em><em>were</em><em> </em><em>positive</em><em>.</em><em> </em>

But I'm guessing it should be D.

Talja [164]3 years ago
7 0

Answer:

D

Step-by-step explanation:

f(x)=-x^3+2x^2-x+3

As the highest power is 3, it is odd, as x approaches to -\infty y approaches to \infty

First, we have x \rightarrow-\infty, y \rightarrow \infty

Plotting the graph, you can easily conclude the answer to the question.

And as x \rightarrow \infty, y \rightarrow -\infty

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Multiple choice please help!!
AveGali [126]

3 and 4

Step-by-step explanation:

y=5x

y=5(0)

y=0

y=5x

y=5(10)

y=50

y=5x

y=5(51)

y=255

y=5x

y=5(400)

y=2000

5 0
3 years ago
2 points) Suppose w=xy+yzw=xy+yz, where x=et, y=2+sin(t)x=et, y=2+sin⁡(t), and z=2+cos(3t)z=2+cos⁡(3t). A ) Use the chain rule t
Olenka [21]

Answer:

\frac{\partial w}{\partial t}  = y(e^t) +(x+z)*(cos(t))  - 3y*sin(3t)

Step-by-step explanation:

First, note that

\frac{\partial x}{\partial t}  = e^{t} \\\frac{\partial y}{\partial t}  = cos(t)\\

And using the chain rule in one variable

\frac{\partial z}{\partial t}  = -3sin(3t)

Now remember that the chain rule in several variables sates that

\frac{\partial w}{\partial t}  = \frac{\partial w}{\partial x} * \frac{\partial x}{\partial t} + \frac{\partial w}{\partial y} * \frac{\partial y}{\partial t} + \frac{\partial w}{\partial z} * \frac{\partial z}{\partial t}

Therefore the chain rule in several variables would look like this.

\frac{\partial w}{\partial t}  = y(e^t) +(x+z)*(cos(t))  - 3y*sin(3t)

6 0
4 years ago
Read 2 more answers
No wrong answers no quesses no links
Eva8 [605]
Photo has the work you need

5 0
3 years ago
Read 2 more answers
Which numbers round to 7.91 when rounded to the nearest hundredth? Select all that apply.
Lemur [1.5K]

A,B, and E all round to 7.91 when rounded to the nearest hundredth

5 0
3 years ago
Read 2 more answers
BRAINLY FOR CORRECT ANSWER FOR ALL THREE MATH QUESTIONS &lt;3 thank you &lt;3
MA_775_DIABLO [31]
Question 1

A  

Question 2

D

Question 3

A

Hope this helps i hope you get a 100
8 0
3 years ago
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