Wednesday

April 1, 2015

April 1, 2015

Posted by **nessa** on Sunday, December 4, 2011 at 6:25pm.

the inverse of f(x)=(-3x+2)/(2x-1)

I got f^-1(x)=(x-2)/(2x-3).

if its right how do i check the answer to see if it is right. also would the domain of f be D=all real numbers except 1/2. And I do not know how to get the range for f^-1

- Pre-calculus -
**Henry**, Monday, December 5, 2011 at 8:12pmy = (-3x+2) / (2x-1),

x = (-3y+2) / 2y-1),

Cross multiply:

-3y + 2 = 2xy-x,

-3y - 2xy = -x-2,

y(-3-2x) = -x -2,

y = (-x-2) / (-2x-3).

-2x-3 = 0,

-2x = 3,

X = -3/2.

Domain = All real values of X except

-3/2.

Range = All values of y resulting from inputs (x) within the domain.

-Infinity < X < +Infinity.

**Answer this Question**

**Related Questions**

Precalculus - The question(s) are as follows: Given: f(x) = 3cos(3x+π) - 4 ...

Pre-Calculus - State the domain and range of the relation y = 2x + 3 My answer: ...

Math Analysis - 4. Find f(x) + g(x) when f(x) = x^(1/2) and g(x) = 6x^(1/2...

math - derivatives: y=(x^3+1)^2, then dy/dx is: i got 6x^2(x^3+1) first but im ...

chem - are these already balanced? CuSO4 + Zn ---> CuZn + SO4 AgNO3 + NaCl...

ap calc - I have solved the problem but am not sure it it is right. I would ...

calculus - use reimann sums and a limit to compute the exact area under the ...

Math - Hi, would someone mind just checking the answer I got for this formula ...

Calculus AB - I'm trying to find the second derivative of h(x)= x^2 + cos(kx) My...

Algebra-I'm still stuck - The one-to-one function f is defined by f(x)=(4x-1)/(x...