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bearhunter [10]
3 years ago
9

For the function f(x)=(x+6)^3 find f^-1(x) PLEASE HELP THANK YOU!

Mathematics
1 answer:
Gre4nikov [31]3 years ago
7 0
<h3>Answer: f^{-1}(x) = -6+\sqrt[3]{x}</h3>

======================================================

Explanation:

Replace f(x) with y.

Swap x and y, then solve for y to get the inverse.

f(x) = (x+6)^3\\\\y = (x+6)^3\\\\x = (y+6)^3\\\\\sqrt[3]{x} = y+6\\\\y = -6+\sqrt[3]{x}\\\\f^{-1}(x) = -6+\sqrt[3]{x}\\\\

To solve for y, I first applied the cube root to both sides. Then I subtracted 6 from both sides.

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Shawn drew a rectangle that was 2 units wide and 6 units long. Draw a different rectangle that has the same perimeter area.
Nitella [24]

Answer:

A square that has sides of 4.5 units, or a rectangle that is 1 unit wide and 8 units long.

Step-by-step explanation:

First, you need to find the perimeter in the first place. Since there are two sides of the same number, you would double each number.

2 would become 4

6 would become 12

Add 4+12=18

So, our rectangle has to have a perimeter of 18 units. Because a square is a rectangle, you can divide 18 and 4, since a square has 4 sides. You get 4.5. Each side can be 4.5 units.

Or, you can have a rectangle. What I thought first was a length of 9, but I knew that wouldn't work. I drew a rectangle and tried 8. If I put it on the top and bottom, which you need to to find the perimeter, it was only 16. Then I knew I could use 1 as a side length. If you added the sides, it would equal 2, and when you add 16 and 2, it's 18. So, you can use a rectangle that has a length of 8 units and a width of 1 unit.

6 0
3 years ago
Is it ok if you help me solve this?
OlgaM077 [116]

Answer:

For it to be parallel the answer is B (3)

7 0
3 years ago
Read 2 more answers
Click
Mama L [17]

Answer:

(-3 , 0) (0, 2) (6, -6)

Step-by-step explanation:

Solving for x - intercept:

2x - 3(0) = -6

2x = -6

2x/2 = -6/2

x = -3

One point would be (-3 , 0) .

Solving for y-intercept:

2(0) - 3y = -6

-3y = -6

-3y/-3 = -6/-3

y = 2

Another point would be (0, 2).

When 'x' equals 6:

2(6) - 3y = -6

12 - 3y = -6

12 - 12 - 3y = -6 - 12

-3y = -18

-3y/3 = -18/3

y = -6

The third point would be (6, -6).

6 0
3 years ago
Answer this please.
seropon [69]

Answer:

3 ???

Step-by-step explanation:

7 0
3 years ago
Solve by factoring... plz show the work. !<br>x^2+9+20. ? ​
Helen [10]

if you meant x^2+9x+20 then it is (x+4)(x+5) you know that because 4+5=9 and 4x5=20 using FOIL

6 0
3 years ago
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