Homework # 7 - Math 149
The problems on this homework must be done alone. The honor code is in effect.
First name: Last name:
Evaluate the following limits.
1. $$\lim_{x \rightarrow 3} \frac{x^2 - 9}{x^2 - 2x - 3}$$
a. \(\frac{2}{3}\)
b. \(\frac{3}{2}\)
c. \(\frac{9}{2}\)
d. \(-\frac{3}{2}\)
e. \(-\frac{2}{3}\)
2. $$\lim_{x \rightarrow 2} \frac{x^2 - 1}{x^2 - 3x}$$
3. $$\lim_{x \rightarrow 3} \frac{\sqrt{x+1} - 2}{x - 3}$$
b. \(-\frac{1}{4}\)
c. \(\frac{1}{4}\)
d. \(-\frac{2}{3}\)
e. \(-\frac{1}{3}\)
4. $$\lim_{x \rightarrow 0} \frac{\cos x \tan x}{x}$$
a. -1
b. 0
c. 1
d. 2
e. \(\frac{2}{\pi}\)
5. $$\lim_{x \rightarrow \frac{\pi}{2}} \frac{\sin x}{x}$$