Project #80744 - math

 

1.Suppose f is a function that takes a real number x and performs the following three steps in the order given: (1) square root; (2) make the quantity the denominator of a fraction with numerator 1; (3) subtract 11. Find an expression for

 

 

f(x).

State the domain of f(x). (Enter your answer using interval notation.)

2. For f(x) = x2 − 4x + 2, find and simplify the following.

f(3x)

f(3x) =____________________________

3. for (x) = x2 − 4x + 3, find and simplify the following.

f(x-5)

f(x-5)=____________________________

 

Find the (implied) domain of the function. (Enter your answer using interval notation.)

a(y) = 
3
y
y 6
 

Subject Mathematics
Due By (Pacific Time) 09/01/2015 11:05 pm
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