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alexgriva [62]
3 years ago
14

What is 3x^4 + 5x^3 + x^2 - 5 divided by x + 2

Mathematics
1 answer:
Brilliant_brown [7]3 years ago
8 0
Remember, there is a missing term which is crucial to solving this, and that is 0x.

Ima use synthetic division, because that's the quicker option here:

The zero of x+2 is -2...

-2 | 3 5 1 0 -5
-6 2 -6 12
_____________
3 -1 3 -6 7

(Sorry, I'm unsure how to fix the formatting, plus I'm new to this. The -6 and such on the second line should be below the 5 and following of the first line, and the 3 and such on the last line should be below the 3 and following on the first line, leaving a space between the 3 on the first and third line.)

So the answer is: A. 3x^3 - x^2 + 3x - 6 + 7/(x+2)
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2 years ago
Can somebody help me with this one. It says use the vertical line test to determine which graph represents a function
sineoko [7]

Answer:

Only option C shows a function

Step-by-step explanation:

The vertical line test is a visual way to determine if a curve is a graph of a function or not. A function can only have one output, y, for each unique input, x. This means that a vertical line made in the domain of the function can crosses the curve of the function only once. If it crosses the curve of the function more than once, then the curve is not a function.

In option A, a vertical line would cross two values, so it is not a function.

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5 0
3 years ago
I am thinking of a number. i will add four and then multiply it by five. the answer will be thirty five. whats the number?
kodGreya [7K]

Answer:

B. 3

Step-by-step explanation:

Let's make an equation for this. Our unknown number is x.

x

We are adding 4.

x + 4

Then multiplying by 5.

(x + 4) • 5

It will equal 35.

(x + 4) • 5 = 35

To solve this, divide both sides by 5.

(x + 4) = 7

Now subtract 4 from both sides.

x = 3

This is your answer.

Check this by plugging it back into our original equation.

(x + 4) • 5 = 35

(3 + 4) • 5 = 35

7 • 5 = 35

35 = 35

Your answer is correct.

Hope this helps!

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2 years ago
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Answer:

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