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Vanyuwa [196]
2 years ago
8

Select the graph and the description of the end behavior of f(x) = x3 + 2.

Mathematics
2 answers:
Dmitry [639]2 years ago
8 0
F(x)=x^3+2
we see the power is odd
the ends go in opsoite directions
we know that if the leadind coefient (number in front of highest power term) is positive, then odd powered polynomials go from bottom left to top right
and for even ones, it goes both up

for negative, odd ones go from top left to bottom right
for even, both go down

we gots
f(x)=1x^3+2
positive and odd, so it goes from bottom left to top right

as x approaches negative inifnity, y approaches negaitve infinity
as x approaches infinity, y approaches infinity
Alik [6]2 years ago
7 0

Answer:

Given the function: y= f(x) = x^3+2           ......[1]

End behavior of a polynomial function is the behavior of the graph of function  f(x) as x approaches positive infinity or negative infinity.

Also, the degree and the leading coefficient of a polynomial function determine the end behavior of the function.

Since the given function  f(x) = x^3+2  is cubic function with degree 3  and leading coefficient 1 (i.e positive).

y-intercept of the function:

Substitute the value x= 0 in [1] to solve for y;

y= f(x) = 0^3+2 = 0+2 =2

Therefore, the y-intercept of the function is 2 (which means the graph cut the y-axis at 2 i.e, y=2)

Since, the  degree of the function is odd and the leading coefficient is positive.  

so, the end behavior is;

as  x \rightarrow -\infty then, f(x) \rightarrow -\infty ,

as x \rightarrow +\infty then, f(x) \rightarrow +\infty.

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3 years ago
What is 6+9+4+1+10? Please explain?
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7 0
2 years ago
Find the value of expression a^5−a^2+a^3 for a=−2.
Karo-lina-s [1.5K]

Answer:

-44

Step-by-step explanation:

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7 0
3 years ago
I NEED A MATH WIZ!
valentinak56 [21]
So each of these statements are talking about the square footage of land per person. Let's go and find it!

First off, let's find the number in each building of the original complex:
280 people / 4 buildings

Each building has an equal number of residents. So just divide:
280/4 = 70.

So 70 residents per building

Now consider the fact that once a new building is built, another 70 people will move in.
280 + 70= 350

350 people total.

Then lets look at the plot of land
Originally, there are 200,000 square feet of land for the 4 buildings. Then after the expansion, the plot of land will be:
200,000 + 200*200
= 200,400

Go back to the question. What's the effect of the expansion in terms of square feet of land per person?
Divide!
200,400 / 350
Approximately = 572.57 square feet

Then since it's being compared to the amount each resident had before the expansion, do the same thing with the corresponding numbers:
200,000 / 280
Approximately = 714.29

So how much will each person's land decrease?
714.29 - 572.57 approximately = 141.72 square feet.

The answer is the first choice!

Hope this helps
4 0
3 years ago
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