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avanturin [10]
2 years ago
7

Find f(3) if f(x) = -2x + 14. PLS HELP

Mathematics
2 answers:
Pachacha [2.7K]2 years ago
4 0

Answer:

8

Step-by-step explanation:

Substitute 3 for x

-2x + 14

-2(3) + 14

-6 + 14 = 8

Artemon [7]2 years ago
3 0

Answer:

f(3) = 8

Step-by-step explanation:

f(x) = -2x + 14

f(3) = -2(3) + 14

f(3) = -6 + 14

f(3) = 8

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What's happening to this graph when the X values are between 4 and 8?
Korolek [52]
Hello!

On the graph, when the X values are between 4 and 8, they are being constant. The X values between 4 and 8 are constant because the line shown between 4 and 8 on the graph show the line as a straight line. It is not going up nor is it going down, so you can conclude that the X values are not increasing or decreasing.

I hope this helps!
5 0
3 years ago
Read 2 more answers
Solve for x<br>6x²+2x-12​
dem82 [27]

Answer:

Step-by-step explanation:

Solving for x means you have to factor. First factor out the GCF of 2 to get:

2(3x^2+x-6) and now we'll factor using the regular old method of ac and then factoring by grouping. In our polynomial, a = 3, b = 1, c = -6. Therefore, a times c is 3 * -6 which is -18. We need some combinations of the factors of 18 that will add to give us 1, the b term in the middle. The factors of 18 are:

1, 18

2, 9

3, 6 and that's it. Hm...it seems that won't work, so let's throw this into the quadratic formula, going back to the original and a = 6, b = 2 and c = -12:

x=\frac{-2+/-\sqrt{2^2-4(6)(-12)} }{2(6)} and

x=\frac{-2+/-\sqrt{4+288} }{12} and

x=\frac{-2+/-\sqrt{292} }{12} and

x=\frac{-2+/-\sqrt{4*73} }{12} and

x=\frac{-2+/-2\sqrt{73} }{12} which finally simplifies to

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8 0
2 years ago
0 = 3x² +x - 6<br><br> Can you please factorise this
34kurt
0 = 3(x square + x - 2)
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2 years ago
Any time Speedy the Sloth is not sleeping, she drinks chamomile tea at a steady rate of 2/7 of a cup per hour. Yesterday, she dr
kari74 [83]

Answer:

295 minutes

Step-by-step explanation:

It is given that Speedy the Sloth drinks tea at a steady rate of 2/7 cups per hour.

Yesterday she drank 1 cup and today she drank 17/42 of a cup more than yesterday. This means today she drank 1 + 17/42 cups.

Time taken to drink 2/7 of a cup = 1 hour = 60 minutes

Time taken to drink 1 cup = \frac{60}{2/7}=210 minutes

Time taken to drink 1+17/42 cups = 210\times1\frac{17}{42}=295 minutes

Since she drinks tea as long as she stay awakes. This means, she stayed awake for 295 minutes today.

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3 years ago
The point where the three medians of a triangle intersect
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3 years ago
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