SOLUTION: Given the functions f(x)=4x-5 and g(x) = 2x+3/x-4 find 1. gf(1) 2. g-1(3) 3. fg (3) 4. the value of x for which f(x) =23 5. the value of x for which g(x) is undefined

Algebra ->  Rational-functions -> SOLUTION: Given the functions f(x)=4x-5 and g(x) = 2x+3/x-4 find 1. gf(1) 2. g-1(3) 3. fg (3) 4. the value of x for which f(x) =23 5. the value of x for which g(x) is undefined       Log On


   

Question 1178183: Given the functions f(x)=4x-5 and g(x) = 2x+3/x-4 find
1. gf(1)
2. g-1(3)
3. fg (3)
4. the value of x for which f(x) =23
5. the value of x for which g(x) is undefined

Answer by ikleyn(52818) About Me  (Show Source):
You can put this solution on YOUR website!
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(4)  To answer this question,  solve equation   4x-5 = 23   for  x.