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aleksklad [387]
3 years ago
13

Find f(-2) of f(x) = 3x+x^2

Mathematics
2 answers:
raketka [301]3 years ago
5 0

Answer:

3/4

Step-by-step explanation:

Afina-wow [57]3 years ago
3 0

f(x) is a function of x. To find f(-2), plug in the value of x=-2.

f(-2)=3(-2)+(-2)^2=-6+4=-2

The answer is -2.

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A guy walks into the store and steals $100 bill from the register without the owner’s knowledge. He comes back 5 minutes later a
Artemon [7]
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3 0
3 years ago
Read 2 more answers
Solve for x.<br> -3 (x-1) + 8 (x-3) = 6x + 7 - 5x<br> Pls help as soon as possible thanks! :D
Natali [406]

Answer:

x = 7

Step-by-step explanation:

-3 (x - 1) + 8 (x - 3) = 6x + 7 - 5x

-3 (x - 1) + 8 (x - 3) = 6x - 5x + 7

-3 (x - 1) + 8 (x - 3) = x + 7

-3x + 3 + 8x - 24 = x + 7

-3x + 8x + 3 - 24 = x + 7

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    +21        +21

--------------------------------------------------

5x = x + 28

-x     -x

---------------------------------------------------

4x = 28

/2     /2

----------------------------------------------------

x = 7

7 0
3 years ago
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