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EleoNora [17]
3 years ago
6

Given the polynomial function below find F(-4) f(x)=2x^ 2 -x + 9

Mathematics
1 answer:
fenix001 [56]3 years ago
5 0

Answer:

45

Step-by-step explanation:

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Hello. Is there anyone out there who can answer this for me? I truly appreciate it.
Kryger [21]
A. -1

(1,2) and (2,1)
slope = 2 -1 / 1 -2
slope = 1 / -1
slope = -1
7 0
3 years ago
Which graph shows the solution to the following inequality?<br>4d- 6 &lt; 18 <br>PLEASE HELP​
kenny6666 [7]

Answer:

answer a

Step-by-step explanation:

4d-6 < 18

  • Let's isolate d on one side of the equation. Ignore the inequality for now. We'll deal with that later.

4d-6=18\\4d-6+6=18+6\\4d=24\\\frac{4d}{4}=\frac{24}{4}\\ d=6

  • Now, I'm going to bring back the inequality or < symbol. I only removed it when simplifying and isolating d, but if this confuses you, just do your math and keep the inequality there.

d < 6

  • On a number line, this would include every number <em>less than </em>6, due to the < (less than) symbol. This disqualifies answers b and d because they are showing every number <em>greater than </em>6. But, how do we decide between answers a and c?
  • If a line has point at its beginning, 6, then that means that every number <em>less than or equal to</em> [ ≤ ] 6 is being shown, but our equation just says <em>less than </em>[ < ] 6, so answer a is our correct answer.
4 0
4 years ago
Read 2 more answers
Liam uses 2 quarts of yellow paint and adds 3 1/4 Jars of blue paint.Evan uses 1/2 quarts of yellow paint and adds 5 1/2 of red
EleoNora [17]

Answer:

2 + (13/4)x = 1/2 + (11/2)y

Step-by-step explanation:

Let each jar of paint used by Liam be x

Let each jar of paint used by Evan be y.

Liam uses 2 quarts of yellow paints and adds 3 1/4 jars of blue paint. so we have

2 + 3 1/4x

= 2 + (13/4)x

Since Evan also uses 1/2 quarts of yellow paints and add 5 1/2 jar of red paint, we have

1/2 + 5 1/2y

= 1/2 + (11/2)y

Since they end up with the same volume of paint, we have

2 + (13/4)x = 1/2 + (11/2)y

7 0
3 years ago
PLEASE HELP ASAP!!
Salsk061 [2.6K]

Answer:

Answer is {–4, 0, 4}

Step-by-step explanation:

6 0
4 years ago
3y-4x=3 find the rate of change for each function above Which function has the greatest rate of change?does any pair of function
pishuonlain [190]

Answer:

4/3

Step-by-step explanation:

Sounds as though this problem presented several rates of change, but you have shared only one:  3y - 4x = 3.  If we take x to be the independent variable, then 3y = 4x + 3, and y = (4/3)x + 1.  The rate of change of this function (the rate of change of y with respect to x) is therefore 4/3.

7 0
4 years ago
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