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solmaris [256]
1 year ago
11

Write 10x7 – 9x2 + 15x3 + 9 in standard form. Question 5 options:

Mathematics
2 answers:
hjlf1 year ago
8 0
I think the answer is B
Gelneren [198K]1 year ago
6 0

Answer:

Option B.

Step-by-step explanation:

The given polynomial is

10x^7-9x^2+15x^3+9

In standard form of a polynomial, the terms are arranged according to its degree from left to right. It means term with highest degree should be on the left side.

Degree of 10x^7,-9x^2,15x^3\text{ and }9 are 7, 2, 3 and 0.

Arrange the terms according to its degree.

10x^7+15x^3-9x^2+9

Hence, the correct option is B.

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A group of students held a fundraiser last year and raised $950 for charity. This year, they raised $1,045.
soldi70 [24.7K]
% change = (new value - old value)/old valu x 100 = (1,045 - 950)/950 x 100 = 95/950 x 100 = 0.1 x 100 = 10%
7 0
2 years ago
Which exponential function has an initial value of 3?
Murrr4er [49]

Answer:

1,3.5

Step-by-step explanation:

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2 years ago
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Madden and Jenn both worked at the coffee shop today. Madden's total cups of coffee made is represented by f(x); and Jenn's tota
AnnZ [28]

Answer:

The answer is D. 12x - 3.

Step-by-step explanation:

To add these functions, we just add the terms.

f(x) + g(x) = (7x - 4) + (5x + 1)

7x - 4 + 5x + 1 | Simplify

7x + 5x - 3

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2 years ago
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Hitung jarak di antara titik P(7, 1) dengan titik Q(7, 8) ​
MaRussiya [10]

Answer:

7 units

Step-by-step explanation:

Distance between 2 points

=\sqrt{(y1 - y2)^{2}  + (x1 - x2) {}^{2} }

Thus, distance PQ

=\sqrt{(8 - 1)^{2}  + (7 - 7)^{2} }  \\ = \sqrt{7^{2} }  \\  = 7

Or you could simply take 8-1= 7 since both points have the same x-coordinate. Thus, PQ is a vertical line and the distance between them is due to the difference in their y-coordinate.

5 0
1 year ago
Find the value of $x$ that maximizes $$f(x) = \log (-20x + 12\sqrt{x}).$$ If there is no maximum value, write "NONE".
kakasveta [241]
The function is written as:
f(x) = log(-20x + 12√x)
To find the maximum value, differentiate the equation in terms of x, then equate it to zero. The solution is as follows.

The formula for differentiation would be:
d(log u)/dx = du/u ln(10)
Thus,
d/dx = (-20 + 6/√x)/(-20x + 12√x)(ln 10) = 0
-20 + 6/√x = 0
6/√x = 20
x = (6/20)² = 9/100

Thus,
f(x) =  log(-20(9/100)+ 12√(9/100)) = 0.2553

<em>The maximum value of the function is 0.2553.</em>
5 0
2 years ago
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