i need help with the following problems. this will be very easy. here is a pic of the problem

http://imgur.com/BUoAym6

i need help with just #'s 5 and eight only. please include all steps in your answer.

thanks in advance

5-

limit on function f(x) as x approaches 4

8-

limit on function g(x) as x approaches 4 from the right hand side meaning right hand limit.

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