Posted by **zach w** on Tuesday, November 27, 2012 at 1:54am.

find the domain

f(x)=x/x-8,g(x)=-7/x

solve the following exponential equation equation exact answers only

3e x-1 = 2+e^x-1

- math need help urgent -
**Steve**, Tuesday, November 27, 2012 at 4:28am
domain of any rational function is all reals except where the denominator is zero.

dom(f) = all reals except x=8

dom(g) = all reals except x=0

If you meant

3e^x-1 = 2+e^(x-1)

3e^x - e^x/e = 2+1

e^x (3-1/e) = 3

e^x = 3/(3-1/e)

x = ln3e - ln(3e-1)

If, however, you meant

3e^(x-1) = 2+e^(x-1)

2e^(x-1) = 2

e^(x-1) = 1

x-1 = 0

x = 1

If something else, then you'd better repost with proper parentheses.

## Answer This Question

## Related Questions

- math need help urgent - find the domain f(x)=x/x-8,g(x)=-7/x solve the following...
- college algbra - find the domain f(x)=x/x-8,g(x)=-7/x solve the following ...
- College Algebra - 1. Find the domain of the composite function f o g. f(x)= 2/x-...
- college algebra--need help please!! - solve the following exponential equation. ...
- college algebra--I really need help!! - solve the following exponential equation...
- Math - Exponential equation - Solve the exponential equation. Express your ...
- calculus - solve the following exponential equation. exact answers only 1-8x 3x...
- pre-calculus - solve the equation 1. In x + In (x+12) =2 x= ? or either there is...
- Trig Equation - Solve for x (exact solutions): sin x - sin 3x + sin 5x = 0...
- Math - 2 - Solve the exponential equation. Express your solutions in exact form ...

More Related Questions