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Anna [14]
3 years ago
15

The what test is used to determine whether a function is one to one

Mathematics
1 answer:
olga2289 [7]3 years ago
8 0

Answer:

The Horizontal Line Test

Step-by-step explanation:

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Create a word problem using -2(5)=-10
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Answer:

In afternoon it was -2 degree cold. At night it went 5 time colder. How cold was it at night?

Step-by-step explanation:


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3 years ago
Which names are other correct names for CK<br><br> Choose all answers that are correct
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The second and third one
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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
2 years ago
HELP !! THIS IS MY LAST ONE !!
Pachacha [2.7K]

Answer:

B, A, C, I

Step-by-step explanation:

1. y= -2x-7

2. y= -1/3x +0

3. y= -2x-4

4. y= -1/3x-1

This is what I got, is the code supposed to make a word?

4 0
3 years ago
A restaurant offers 6 choices of appetizer, 8 choices of main meal, and 5 choices of dessert. A customer can choose to eat just
rodikova [14]

Step-by-step explanation:

For one course:

6+8+5=

Two courses with appetizers and main meals (* means times)

6*8

Two courses with appetizers and dessert

6*5

Two courses with main meals and dessert

8*5

4 0
3 years ago
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