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Natali5045456 [20]
3 years ago
10

Find f (-4) if f(x) = 3x - 10

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
3 0

Answer:

  -22

Step-by-step explanation:

Put -4 where x is and do the arithmetic.

  f(-4) = 3(-4) -10 = -12 -10

  f(-4) = -22

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What intervals would you use to determine where<br> the function is positive and negative?
Igoryamba

Answer:

B.

Step-by-step explanation:

The function is positive when it is above the x-axis

The following x values are where the function has positive y coordinates:

(-2,0)

(4,inf)

The function is negative when it is below the x-axis

The following x values are where the function has negative y coordinates:

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So you should see all of these intervals listed in choice B

4 0
4 years ago
Read 2 more answers
Please I need help would mean a lot to me <br><br> 1. If f(x)=x+12and g(x)=x-5,find f(x).g(x).
DerKrebs [107]
F(x) multiplied by g(x)
=
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Here you need to use the FOIL method (first, outside, inside, last)

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4 0
3 years ago
The chess clubcab have at most 36 members. The are 3 times as many boys as girls in the chess club. Which inequality could be us
grin007 [14]

Answer:

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Step-by-step explanation:

The chess clubcab have at most 36 members.

At most means : Less than or equal to 36 members and it is represented by the inequality = ≤

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Boys = x

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3 0
3 years ago
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I hope this helps you

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2 x 3 = 6
5 x 3 = 15
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Hope this helps!
8 0
4 years ago
Read 2 more answers
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