SOLUTION: Given f(x) = 1/(x-5) and g(x)= √(x-2) Find (f o g) (18)?

Question 1205243: Given f(x) = 1/(x-5) and g(x)= √(x-2) Find (f o g) (18)?
Found 2 solutions by MathLover1, ikleyn:
Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!

Given

Find ( o ) ()

first find ( o ) ()
( o ) ()=
( o ) ()=
( o ) ()=

then

( o ) ()=
( o ) ()=
( o ) ()=
( o ) ()=
( o ) ()=

Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
.

                    It can be solved in two lines:

Line 1 :   First calculate   g(18) = = = 4.

Line 2 :   Next calculate   (fog)(18) = f(g(18)) = f(4) = = = -1.         ANSWER

                    Done, complete, solved.

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