64 Answered Questions for the topic inverse

Inverse Trigonometry

04/16/21

#### Find RADIAN measure of theta= sec^-1(-2) without a calculator

working it out I got sec= 1/cos(theta) which is -1/2 but looking at the unit circle there's multiple -1/2 s , how do I figure out which to choose?

#### MATH Problem x2

Suppose z varies inversely with t and that z=30 when t=11. What is the value of z when t=6?

#### Write an equation for the inverse function. State the domain of the inverse.

write an equation for the inverse function and state the domain of the inverse.F(x)= (x+4)^2 - 3

#### How do I find the inverse of an fractional exponential function?

I request that the person who solves this provides steps to explain how they got their answer.The problem is y = (5^(1+x) + 1)/ (5^x)I've tried this several times, and I've gotten answers different...
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Inverse Precalculus

08/08/20

#### Let f(x) = (x+3) / (x−1) . Find f^-1 (x).

07/27/20

#### Is the matrix invertible or not?

Determine whether the following matrix is invertible or not.

07/26/20

#### Is the matrix invertible or not?

Determine whether the following matrix is invertible or not.

05/04/20

#### Difficult Graph Problem

Find the inverse of the function. (Enter the domain using interval notation.) f(x) = (x + 9)2, x ≥ −9How would you put that in a graph?

03/04/20

#### Inverse Matrix Question

Suppose X and Y are both invertible matrices, and W is a block matrix:
W = [ X Z ]
[ 0 Y ]
Show that W is invertible, and its inverse is:[ X-1 -X-1ZY-1 ] = W-1[ 0 Y -1 ]

03/04/20

#### Finding the Inverse of a Matrix

Suppose x ∈ R.Find the inverse of the following matrix:
A = [ 1 1 1 ]
[ 0 1 1 ]
[ x 0 1 ]

03/04/20

#### Inverse Matrices

Find the inverse of the following matrices if it exists:
1.
[ 1 -2 ]
[ -3 5 ]
2.
[ -2 0 2 ]
[ 4 -2 -1 ]
[ 0 2 -2 ]

02/23/20

#### find domain of inverse

g(x)= x2 − 6x + 7 for x >4. By first completing the square, find and expression for g-1 (x) and state the domain of g-1I found the inverse to be √(x+2) + 3is the domain x≥-2?

Inverse Calculus

03/26/19

#### Find the inverse of the relation f={(3,8), (8,3), (-2,7)}

#### The function f(x) varies inversely with x and f(x)=-15 when x=30

need help on algebra inverse equations, please help :)

09/21/18

#### finding the inverse functions?

Part A: If f is one-to-one and f(6)=9, then f^−1(9)= ??? and (f(6))^−1= ???
Part B: If g is one-to-one and g(7)=11, then g^−1(11) = ??? and (g(7))^−1 = ???
Not really sure how to do this;...
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03/07/18

#### Find the Inverse of f(x)= ln(e^x-5)

Find the Inverse of f(x)= ln(e^x-5). Any help will be apprecaited. An answer with a stepwise explanation would be excellent.
Thanks in advance.

03/06/18

#### Please help with this word problem. I'm not understanding this concept and I have to show all of the work.

Suppose x and y vary inversely, and y = 10 when x = 4. Write a function that models the variation (1pt.). Then find y when x = 90 (1pt.).
Thank you

#### Find the inverse of the function

What is the inverse of the function f(x)=(sqrt(x−5)/8)−2?f−1(x)=64(x−2)^2−5f−1(x)=8(x+2)^2+5f−1(x)=64(x+2)^2+5f−1(x)=8(x−2)^2+5

12/01/17

#### find the inverse the function

find the inverse of the function y=6x2 which has an inverse of y-1

12/01/17

#### find the inverse of the function

find the inverse of the function y=8x2 which has an inverse of y-1

Inverse

11/30/17

#### Please help with inverse word problem so I can teach my son

The v of a gas kept at a constant Temperature varies inversely as the pressure p. If the pressure is 24 lbs per square inch, the volume is 15 cubic feet. What will be the volume when the pressure...
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