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DiKsa [7]
4 years ago
12

Evaluate f(x)=-x^-4 for x=3

Mathematics
2 answers:
zavuch27 [327]4 years ago
6 0

Answer:

- \frac{1}{81}

Step-by-step explanation:

Using the rule of exponents

• a^{-n} ⇔ \frac{1}{a^{n} }

Hence

f(3) =- 3^{-4} = - \frac{1}{3^{4} } = - \frac{1}{81}

hoa [83]4 years ago
4 0

The answer would be -0.012345679.

The first thing you would do is substitute 3 in for x, seeing that you've told us x = 3. After you've substituted x, the equation would look something like:

f(3) = -3^-4. From here, all you have to do is solve! -3 to the power of -4 equals -0.012345679. Therefor, f(3) = -3^-4 equals -0.012345679

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GalinKa [24]

Answer:

y=2x-4

I think this is right

Step-by-step explanation:

7 0
3 years ago
Write an equation of the line that passes through the point(-6,-9) with slope -5
LUCKY_DIMON [66]

Answer:

  y = -5(x +6) -9

Step-by-step explanation:

The point-slope form of the equation for a line can be written as ...

  y = m(x -h) +k

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You have m=-5 and (h, k) = (-6, -9). Filling in these values gives ...

  y = -5(x -(-6)) -9

Simplifying a bit, you get ...

  y = -5(x +6) -9

4 0
4 years ago
. Solve the given equation <br>3m+7<br>____=13/6<br>5m-4 ​
oee [108]
Answer is X=2
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5 0
3 years ago
Read 2 more answers
Simplify. 14+4(12−34)2 Enter your answer in the box.
Komok [63]
14 + 8(12-34)

14 + 8(-22)
14 - 176

- 162 is your answer

hope this helps
5 0
3 years ago
Read 2 more answers
Directions: Match the slope and y-intercept values to the correct boxes below.
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I think this is what you’re asking for... you don’t need the fractions!
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