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Math 148 Quiz 3: §7.4-7.6
Directions: Answer each question completely.
credit, and circle your final answer.
Show all work to receive full
1. Explain why the definite integral
Z
π/2
0
cos x
√
dx
sin x
is an improper integral and determine whether it converges or diverges.
1
2. Find the third-degree Taylor polynomial for f (x) =
2
√
x + 4 at a = 0.