NAME:

1. Given that = 8 and = 5, what is ?

2. Let f(x) = . Then f(5) is undefined, since nobody is allowed to divide by zero.

a) What is ?

b) What is ?

3. Let and give your best estimate of , being sure to explain where your estimate is coming from. Your calculator is better for this question than attempting to simplify Y1(x) algebraically.

4. Each of the limits below can be done quickly, by looking at the type of functions in the numerator and denominator. Furthermore, each of the limits is equal to either zero or infinity. For each limit, decide which value (0 or ) is appropriate and give a brief explanation as to why.

a) 

b) 

c) 

d) 

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