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professor190 [17]
3 years ago
12

Plzzzz heppppppp meeeeeee

Mathematics
1 answer:
german3 years ago
6 0

Answer:

when -1 > x it is decreasing

when -1 < x < 1 it is increasing

when x > 1 it is decreasing

Step-by-step explanation:

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A case of 8 items costs $9.44 at Costco. What is the price of each item?
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Step-by-step explanation:

9.44/8=$1.18 per item

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How much cm³ is it the cilinder?
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Carrie did sit-ups every for 5 days. The number of sit-ups she did on each day is shown on the table.
Nataly [62]

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Step-by-step explanation:

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BEING TIMED !! <br> In circle O, the length of arc AB is 2(pi) and the radius is 5. Find the
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Step-by-step explanation:

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8 0
2 years ago
(K3+2k2-82k-28)/(k+10)
Ne4ueva [31]

So for this, we will be using synthetic division. To set it up, have the equation so that the divisor is -10 (since that is the solution of k + 10 = 0) and the dividend are the coefficients. Our equation will look as such:

<em>(Note that synthetic division can only be used when the divisor is a 1st degree binomial)</em>

  • -10 | 1 + 2 - 82 - 28
  • ---------------------------

Now firstly, drop the 1:

  • -10 | 1 + 2 - 82 - 28
  •       ↓
  • -------------------------
  •        1

Next, you are going to multiply -10 and 1, and then combine the product with 2.

  • -10 | 1 + 2 - 82 - 28
  •       ↓ - 10
  • -------------------------
  •        1 - 8

Next, multiply -10 and -8, then combine the product with -82:

  • -10 | 1 + 2 - 82 - 28
  •       ↓ -10 + 80
  • -------------------------
  •        1 - 8 - 2

Next, multiply -10 and -2, then combine the product with -28:

  • -10 | 1 + 2 - 82 - 28
  •       ↓ -10 + 80 + 20
  • -------------------------
  •        1 - 8 - 2 - 8

Now, since we know that the degree of the dividend is 3, this means that the degree of the quotient is 2. Using this, the first 3 terms are k^2, k, and the constant, or in this case k² - 8k - 2. Now what about the last coefficient -8? Well this is our remainder, and will be written as -8/(k + 10).

<u>Putting it together, the quotient is k^2-8k-2-\frac{8}{k+10}</u>

8 0
3 years ago
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