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melisa1 [442]
3 years ago
6

Which graph shows a polynomial function, f, such that f(x)→ ∞ as x→ -∞ and f(x) →∞ as x→∞ ?

Mathematics
1 answer:
n200080 [17]3 years ago
8 0
F(x) means y

so <span>f(x)→ ∞ as x→ -∞ and f(x) →∞ as x→∞ means
as x goes to the left </span><span>y goes up infinitely
as x goes the the right, y goes up intinitely

that would be the 4th graph
the parabola opening up </span>
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Complete the square to solve the equation below
frutty [35]
x^2+x= \frac{7}{4}

Take one-half of the coefficient of x and square it, then add it to both sides.

x^2+x+ (\frac{1}{4}) =\frac{7}{4}+ (\frac{1}{4})

x^2+x+(\frac{1}{4})= 2

\left(x+\frac{1}{2}\right)^2=2

x+\frac{1}{2}=\pm \sqrt{2}
-----------------------------------------------------------------
x+\frac{1}{2}=- \sqrt{2}
x=-\frac{1}{2}- \sqrt{2} <=

AND

x+\frac{1}{2}= \sqrt{2}
x= \sqrt{2}-\frac{1}{2} <=
5 0
3 years ago
The length of a rectangle is 6 meters more than its width. If the area is 135 square meters, what is its width?
Novay_Z [31]
Length = width +6

L * (L - 6) = 135

L^2 - 6L = 135

L^2 - 6L -135 = 0

Length = 15
Width = 9


4 0
4 years ago
Sac had a rope that was 15 feet long. He cut it into three pieces. The first piece was 3.57 feet longer than the second piece. T
harina [27]

Answer:

5.79 feet

Step-by-step explanation:

Let us represent

First piece = x

Second piece = y

Third piece = z

Sac had a rope that was 15 feet long.

x + y + z = 15

He cut it into three pieces.

The first piece was 3.57 feet longer than the second piece.

x = 3.57 + y

The third piece was 2.97 feet longer than the second piece.

z = 2.97 + y

How long was the third piece of rope?

x + y + z = 15

3.57 + y + y + 2.97 + y = 15

3y + 6.54 = 15

3y = 15 - 6.54

3y = 8.46

y = 8.46/3

y = 2.82 feet

Therefore, the length of the third piece z = 2.97 + y

z = 2.82 + 2.97

z = 5.79 feet

7 0
3 years ago
Help ASAP please<br> I am desperate
snow_lady [41]

Answer:

I think the first one is 18 and I think the second one is the 3rd one

7 0
3 years ago
Area of a 90in 3yd rectangle
Free_Kalibri [48]
Hello,

Converting 90 in to yd, we have:
90in * 1ft/12in * 1yd/3ft = 2.5 yd

Next,
Since A of a rectangle is b*h,
A = 2.5yd * 3yd = 7.5 yd ^2.

Good luck to you!
5 0
3 years ago
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