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Advocard [28]
3 years ago
12

What is the end behavior of the graph of the polynomial function f(x) = 3x + 30x + 75x4?

Mathematics
1 answer:
kipiarov [429]3 years ago
6 0
<h3>Answer: As x \to -\infty, y \to \infty and as x \to \infty, y \to \infty</h3>

Basically, whether x goes to positive or negative infinity, the value of y will head off to positive infinity.

Why is this? It's all because of the leading term 75x^4. This is the term with the largest exponent, so the degree is 4. Even degree functions have the endpoints pointing in the same direction. In this case, that direction is up or pointing along the positive y axis direction. If the leading coefficient was negative, then y would head off to negative infinity instead of positive infinity.

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suppose there are 20 questions on a multippe choice. if 25% of the answers are choice B how many , how many of the answers are n
tiny-mole [99]
15 questions
25/100=1/4
1/4 = x/20
1*20=20
20/4 = 5
20-5= 15
5 0
4 years ago
Read 2 more answers
Determine the lateral area of a pipe that is 12 ft long and 25 ft in diameter.
Zina [86]

Answer:

The lateral area of the pipe is 942 sq ft.

Step-by-step explanation:

A pipe can be modeled as a cylinder prism.

The lateral area of a cylinder prism can be expressed as the product of the length by the perimeter of the section.

We start by calculating this perimeter.

As the diameter is 25 ft, the perimeter of the section can be expressed as:

P=\pi D=3.14\cdot 25=78.5

Then, to know the lateral surface we multiply this perimeter by the length of the pipe (12 ft):

A=P\cdot l=78.5\,ft\cdot 12\,ft=942\,ft^2

The lateral area of the pipe is 942 sq ft.

8 0
4 years ago
If a research team increases the sample size for a study, the power of their statistical tests will:
Viktor [21]

Answer: c) increase

Step-by-step explanation:

  • A sample is a finite subset of the entire population on which research statistical test regarding his/ her objective .

As the sample size increases it comes closer to the population size, and so converge to a better result of researcher's analysis.

It means the size of the sample is proportional to the power of their statistical tests.

∴ As the size of the sample increases the power of statistical test increases.

Hence, If a research team increases the sample size for a study, the power of their statistical tests will <u>increases</u>.

Therefore , the correct answer is : c) increase

3 0
3 years ago
Witch phrase can be repeseted by the algebraic expression x+14
Olin [163]
The phrase that could be represented by the expansion would be a binomial.
8 0
3 years ago
уA 5-digit PIN number is selected. What it the probability that there are no repeated digits?hoThe probability that no numbers a
Ber [7]

Since there are 5 choices and there are 10 possible digits for each digit of the PIN( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9)

The total value possible 5 pins are 10⁵ = 100000

Using permutation, since 5 numbers are selected without repetition:

\frac{n!}{(n-k)!}=\frac{10!}{(10-5)!}=30240

The probability that no numbers are repeated is= 30240/ 100000

≈ 0.302

3 0
1 year ago
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