Which expression is a possible leading term for the polynomial function graphed below?

Mathematics

1 answer:

mylen [45]2 years ago

4 0

Answer: Option A. -4x^8

Step-by-step explanation:

The polynomial function given in the graph has 4 real roots. And because the graph falls to the left and right, it will have even order and negative leading coefficient.

So we have only one option that matches the required conditions, and i.e. option A.

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3 years ago

What is 2 + 2 what is 4 + 4 what is 8 + 8 what is 9 + 9 what is 10 + 10

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Answer:

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Step-by-step explanation:

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3 years ago

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Line j passes through points (10, 10) and (1, 3). Line k is parallel to line j. What is the slope of line k?

SOVA2 [1]

Answer:

= (10-3) ÷ (10-1) = 7 ÷9 = 7/9

Step-by-step explanation:

As they are parallel, their slopes are the same. So if we find slope of line j we find slope of line k when we have two points of one line like (x1 , y1) and (x2 , y2) the slope of that line is (y2-y1) ÷ (x2-x1)

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3 years ago

it takes 40 minutes for 8 people to paint 4 walls. How many minutes does it take 10 people to paint 7 walls?

KIM [24]

First let's find the rate at which one person paint one wall. We know it takes 40 minutes for 8 people to paint 4 walls.

If we divide 40 minutes by 4 walls, we find that it takes 8 people 10 minutes to paint ONE wall. Next, we multiply 10 minutes per wall by 8 people to find how long it takes ONE person to paint ONE wall. Since it takes 8 people 10 minutes, reducing the number of people to one will increase the required time by a factor of 10. So it takes ONE person 80 minutes to paint ONE wall.

Now let's use this information to find out how long it takes 10 people to paint 7 walls. First, multiply 80 minutes by 7 since there are 7 times as much wall to paint. We now know that it takes 560 minutes for one person to paint 7 walls. Finally, divide 560 minutes by 10 people.

The answer is 56 minutes.

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Part B

Troyanec [42]

Answer:

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