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Zarrin [17]
3 years ago
6

Choose all functions below that have a vertex of (4.5,-8)​

Mathematics
1 answer:
viktelen [127]3 years ago
7 0

Answer: Answer: A

Explanation:

Just plug in numbers since you know the unknown values,

x + r = 4 + 5

4 + 5 = 9

Step-by-step explanation:

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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

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

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

4 0
1 year ago
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