Wednesday

September 3, 2014

September 3, 2014

Posted by **jasmine** on Sunday, July 28, 2013 at 3:32am.

1. f(x)=(x+3)/(5x+2)

2. g(x)=1/square root of 2x-1

- math -
**Steve**, Sunday, July 28, 2013 at 5:58amy = (x+3)/(5x+2)

5xy+2y = x+3

(5y-1)x = 3-2y

x = (3-2y)/(5y-1)

So, the inverse function is (3-2x)/(5x-1)

y = 1/√(2x-1)

y^2 = 2x-1

x = (y^2+1)/2

So, g^-1(x) = (x^2+1)/2

You can probably figure out the rest.

**Answer this Question**

**Related Questions**

Calc - Find the functions a) f o g, b) g o f, c) f o f, d) g o g, and their ...

Calculus - Find the functions a) f o g, b) g o f, c) f o f, d) g o g, and their ...

algebra - 1)Write the expression 9n^6+7n^3-6 in quadratic form,if possible A.9(n...

math - For the given functions f & g find the following and state the domain of ...

calculus - for the given functions f and g, find the following and state the ...

Algebra 2 @ Steve - I have another question regarding functions, but instead if ...

find dy/ds - y = s*square root of(1-s^2) + cos inverse(s) Just give me some ...

Pre Calculus - Inverse functions what is the inverse function of f(x)=1/square ...

Algebra - How do you find the domain of a function when the number is outside of...

ALGEBRA - How do you find the domain of a function when the number is outside of...