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vitfil [10]
3 years ago
12

Find the inverse function of (Show work) f(x)=x^2-4

Mathematics
1 answer:
Olegator [25]3 years ago
4 0

Answer:

The answer to your question is f(x) = \sqrt{x+ 4}

Step-by-step explanation:

                                           f(x) = x² - 4

Process

1.- Change f(x) for y

                                           y = x² - 4

2.- Change "x" for "y" and "y" for "x".

                                           x = y² - 4

3.- Make "y" the object of the equation

                                          y² = x + 4

                                          y = \sqrt{x+ 4}

4.- Change "y" for f(x)

                                          f(x) = \sqrt{x+ 4}

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Cam is 3 years older than Lara, If there combined age is 63, determine their ages by solving simultaneous elmination.
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Answer:

30 and 33 years

Step-by-step explanation:

Let Lara be x years

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2x+3=63

2x=63-3

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Evaluate (c − b)2 + a2 for a = –5, b = –2, and c = –4.
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(c - b)² + a²


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c = -4


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3 years ago
The shape below is a composite figure made up of two rectangular prisms, what is the volume of the figure?
gregori [183]

Answer:

<u>11098 cm³</u>

Step-by-step explanation:

<u>Volume of top prism</u>

  • V = 62 x 3 x (13 - 7)
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<u>Volume of bottom prism</u>

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⇒ Total volume = 1116 + 9982

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