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Anika [276]
3 years ago
11

13

Mathematics
1 answer:
RideAnS [48]3 years ago
5 0
You gotta increase the points that’s a big question for 5 points
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Please answer :) <br><br> ( Will give brainlst)
Sauron [17]
I’m pretty sure the answer is C! :)
7 0
3 years ago
Read 2 more answers
Please help :( really need answer
ad-work [718]

Answer:

Options (C) and (F)

Step-by-step explanation:

Polynomial function is,

f(x) = x³ - x² - 5x - 3

Possible rational roots of the given function will be = \frac{\pm1, \pm3}{\pm1}

By putting x = -1

f(-1) = (-1)³ - (-1)² -5(-1) - 3

     = -1 - 1 + 5 - 3

     = 0

Therefore, x = -1 will a root of the given function.

Now we apply synthetic division to get the other roots,

-1 |  1       -1       -5      -3

     <u> ↓      -1         2      3 </u>

     1       -2       -3      0

Therefore, factored form of the polynomial will be (x + 1)(x² - 2x - 3).

Now we will find the roots of (x² -2x - 3).

x² - 2x - 3 = x² - 3x + x - 3

                = x(x - 3) + 1(x - 3)

                = (x + 1)(x - 3)

For roots of the function, f(x) = 0

(x + 1)(x - 3) = 0

x = -1, 3

Therefore, roots of the function are x = -1, 3

Options (C) and (F) are the answers.

5 0
3 years ago
In a certain archery competition, archers shoot 25 arrows and receive penalty points for each missed shot: 1 penalty point for t
Anna71 [15]

Answer:

He hit the target <u>21 times.</u>

Step-by-step explanation:

7 - 1 = 6 - 1.5 = 4.5 - 2 = 2.5 - 2.5 = 0 (4 penalties total)

25 - 4  = <u>21 hits</u>

6 0
4 years ago
Between what two integers is the square root of 11?
Mariulka [41]

Answer:

120 and 122

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
What does x stand for in -3x = 21?
Alenkinab [10]

x is -7

Step-by-step explanation:

21 ÷ -3 = -7

a negative times a negative equals a positive

7 0
3 years ago
Read 2 more answers
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