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matrenka [14]
2 years ago
12

HURRRRYYYYY PLEASEEE

Mathematics
2 answers:
joja [24]2 years ago
5 0

Answer:

5,6,-7

Step-by-step explanation:

yuh jsjsksmsksksks

Lapatulllka [165]2 years ago
4 0

Answer:

5,6,7

Step-by-step explanation:

A coefficient is a number multiplied by a variable.

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What is the value of the expression f(-3) + 2f(-1) - f (4)<br><br> PLEASE HELP NO LINKS
Bas_tet [7]

Answer:

22

Step-by-step explanation:

Find f(-3) :

f(x) = x² + 2x for x ≤ -3

That means for those values of x, less than or equal to -3, this is the function.

So, f(-3) = (-3)² + 2(-3) = 9 - 6 = 3

Now, f(-1) :

From the given data, we see it is: f(x) = 2 (\frac{1}{3} )^{2x}

We take this because -1 lies between -3 and 4.

Now, f(-1) = 2 (\frac{1}{3} )^{2(-1)}

 => f = (-1) = 2(3)^{2} = 2 (9) = 18

For f(4) :

Clearly, the function is: f (x) = \frac{2x - 5}{x-7}

f (4) = \frac{2(4)-5}{4-7} = \frac{3}{-3} = -1

Therefore, <u>f(-3) + f(-1) - f(4) = 3 + 18 - (-1) = 3 + 18 + 1 = 22.</u>

5 0
3 years ago
Help!<br> Please and thank you
JulsSmile [24]

Answer:

67.5

67.5

40

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8 0
3 years ago
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I really need help to graduate!
lisov135 [29]

Answer:

option 1 is correct:

y = -5cos(2x - π)

5 0
3 years ago
24 feet in 10 seconds​
shtirl [24]

Answer:Divide your speed in feet per minute by 60

Step-by-step explanation:

6 0
1 year ago
The original quantity is 10 and the new quantity is 13. What is the percent change?​
Leya [2.2K]

3 is 13 more than 10, and 3 is 30% of 10, so 30% im pretty sure

6 0
3 years ago
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