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algol13
3 years ago
5

What is the quotient when −3x3 + 5x + 14 is divided by x − 2?

Mathematics
2 answers:
ASHA 777 [7]3 years ago
6 0
The answer is A. -3x2 - 6x - 7
Anika [276]3 years ago
6 0

Answer:

-3x^{2} -6x-7

Step-by-step explanation:

The given expression is :

\frac{-3x^{3}+5x+14}{x-2}

Factoring -3x^{3}+5x+14

Factor out common term -1

3x^{3}-5x-14

Now dividing leading coefficients of numerator and divisor.

\frac{3x^{3}}{x}=3x^{2}

Multiplying x-2 with 3x^{2} = 3x^{3}-6x^{2}

Subtracting 3x^{3}-6x^{2} from 3x^{3}-5x-14

we get 6x^{2} -5x-4

Therefore, \frac{-3x^{3}+5x+14}{x-2} = 3x^{2} +\frac{6x^{2}-5x-14}{x-2}

Now repeating these same steps until (x-2) is factored out, we get the quotient as :

-3x^{2} -6x-7

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Is the set of positive intergers the same as nonnegative integers?
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No there totally differnt 
8 0
3 years ago
Help please asap will mark brainliest !
Ber [7]

Answer:

b = 29

Step-by-step explanation:

C x D = A x B

15(11x - 91) = 7(2x + 10)

165x - 1365 = 14x + 70

add 1365 to both sides of the equation:

165x = 14x + 1435

subtract 14x from both sides:

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3 years ago
Greetings. As a beginner, I'm struggling a bit to learn calculus. May I know what is the derivative of x to the power 4 step by
elena-14-01-66 [18.8K]

If you're just starting calculus, perhaps you're asking about using the definition of the derivative to differentiate x^4.

We have

\dfrac{d}{dx} x^4 = \displaystyle \lim_{h\to0} \frac{(x+h)^4 - x^4}h

Expand the numerator using the binomial theorem, then simplify and compute the limit.

\dfrac{d}{dx} x^4 = \displaystyle \lim_{h\to0} \frac{(x^4+4hx^3 + 6h^2x^2 + 4h^3x + h^4) - x^4}h \\\\ ~~~~~~~~ = \lim_{h\to0} \frac{4hx^3 + 6h^2x^2 + 4h^3x + h^4}h \\\\ ~~~~~~~~ = \lim_{h\to0} (4x^3 + 6hx^2 + 4h^2x + h^3) = \boxed{4x^3}

In general, the derivative of a power function f(x) = x^n is \frac{df}{dx} = nx^{n-1}. (This is the aptly-named "power rule" for differentiation.)

3 0
2 years ago
A log splitter can split 6/5 cords of wood in 4/5 of an hour. Complete the unit rate by setting up a complex fraction and simpli
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Answer:

1½ cords per hour

Step-by-step explanation:

A log splitter can split 6/5 cords of wood in 4/5 of an hour.

To find a unit rate, we divide the quantity of cords of wood by the time.

This gives us the complex fraction.

\frac{ \frac{6}{5} }{ \frac{4}{5} }

This is the same as

\frac{6}{5}  \div  \frac{4}{5}

To divide two fractions, we multiply by the reciprocal of the second fraction.

\frac{6}{5}   \times   \frac{5}{4}

\frac{3}{1}   \times   \frac{1}{2}

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The unit rate is 1.5 cords per hour

3 0
2 years ago
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