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ad-work [718]
3 years ago
15

Evaluate -4² please hurry

Mathematics
2 answers:
alexgriva [62]3 years ago
8 0

squaring something multiplies it by itself. -4^2 = -4*-4 = 16

melisa1 [442]3 years ago
3 0

answer: 16

work:

to solve, multiply -4 to the second power, or mutiply it by itself once.

- 4 x - 4 = 16

so, your answer is 16.

<em> i hope this helped and have a great day! if you need any further assistance with this specific question or i made any mistakes, please let me know!</em>



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Find a and b so that f(x) = x^3 + ax^2 + b will have a critical point at (2,3).
Digiron [165]

Using the critical point concept, it is found that a = -3 and b = 7.

<h3>What are the critical points of a function?</h3>
  • The critical points of a function are the values of x for which:

f^{\prime}(x) = 0

In this problem, the function is:

f(x) = x^3 + ax^2 + b

Hence, the derivative is:

f^{\prime}(x) = 3x^2 + 2ax

Then:

f^{\prime}(x) = 0

3x^2 + 2ax = 0

x(3x + 2a) = 0

x = 0

3x + 2a = 0

3x = -2a

x = -\frac{2a}{3}

Since the critical point is at x = 2, we have that:

-\frac{2a}{3} = 2

-2a = 6

2a = -6

a = -3

Then:

f(x) = x^3 - 3x^2 + b

Critical point at (2,3) means that when x = 2, y = 3, then:

3 = 2^3 - 3(2)^2 + b

8 - 12 + b = 3

b = 7

You can learn more about the critical point concept at brainly.com/question/2256078

4 0
1 year ago
Round 4572 correct to 2 significant figures​
Advocard [28]
4600
Because the zeros aren’t significant unless they’re after a decimal point, but other numbers are significant.
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ECONOMICS PLS HELP !!!!!!!!!!!!!!!!!!!!! 100 POINTS
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Answer

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First you would need to find the square root of 50. Therefore, when x is t the power of 2, your x value would equal to the square root of 50.

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your answer for your equation is 7.07106781187

Hope this helps:)
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A triangle has vertices at a(0,6), b(4,6), c(5,4) and d(3,3). What is the coordinates of each vertex if the triangle is reflecte
deff fn [24]

Answer:

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Step-by-step explanation:

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