1. A
   1 only
2. B
   2 only
3. C
   Both 1 and 2
4. D
   Neither 1 nor 2

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1. A
   $0$
2. B
   $\frac{\pi}{6}$
3. C
   $\frac{\pi}{3}$
4. D
   $\frac{\pi}{2}$

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1. A
   $0$
2. B
   $1$
3. C
   $8|\vec{a}|^{2}$
4. D
   $8|\vec{b}|^{2}$

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1. A
   1 only
2. B
   2 only
3. C
   Both 1 and 2
4. D
   Neither 1 nor 2

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1. A
   $2\sqrt{2}$
2. B
   $3\sqrt{2}$
3. C
   $2\sqrt{3}$
4. D
   $3\sqrt{3}$

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1. A
   $0$
2. B
   $1$
3. C
   $2$
4. D
   $4$

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1. A
   $-1$
2. B
   $0$
3. C
   $1$
4. D
   $3$

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1. A
   $0$
2. B
   $1$
3. C
   $2$
4. D
   $4$

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1. A
   $-1$
2. B
   $0$
3. C
   $1$
4. D
   Limit does not exist

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1. A
   $-2$
2. B
   $-1$
3. C
   $0$
4. D
   $1$

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1. A
   1 only
2. B
   2 only
3. C
   Both 1 and 2
4. D
   Neither 1 nor 2

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1. A
   $-1$
2. B
   $0$
3. C
   $1$
4. D
   Right-hand limit of $f(x)$ at $x=1$ does not exist

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1. A
   1 only
2. B
   2 only
3. C
   Both 1 and 2
4. D
   Neither 1 nor 2

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1. A
   $(0,2)$
2. B
   $[0,2]$
3. C
   $(-1,1)$
4. D
   $[-1,1]$

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1. A
   $-1$
2. B
   $0$
3. C
   $1$
4. D
   $2$

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1. A
   $x+\frac{x^{3}}{3}+\frac{x^{5}}{5}+C$
2. B
   $\frac{x^{3}}{3}+\frac{x^{5}}{5}+C$
3. C
   $x^{2}+\frac{x^{4}}{4}+\frac{x^{6}}{6}+C$
4. D
   $x^{2}+\frac{x^{4}}{2}+\frac{x^{6}}{3}+C$

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1. A
   1 only
2. B
   2 only
3. C
   Both 1 and 2
4. D
   Neither 1 nor 2

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1. A
   $-1$
2. B
   $0$
3. C
   $1$
4. D
   $2$

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1. A
   $-1$
2. B
   $0$
3. C
   $1$
4. D
   $2$

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1. A
   $A+B=0$
2. B
   $A+B-2=0$
3. C
   $A+B+2=0$
4. D
   $A+B-1=0$

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1. A
   1
2. B
   2
3. C
   3
4. D
   4

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1. A
   1
2. B
   2
3. C
   3
4. D
   4

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1. A
   $xy_{2}+y_{1}=0$
2. B
   $xy_{2}+2y_{1}=0$
3. C
   $xy_{2}-2y_{1}=0$
4. D
   $2xy_{2}+y_{1}=0$

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1. A
   $0$
2. B
   $\frac{1}{2}$
3. C
   $1$
4. D
   $2$

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1. A
   $(1,0)$
2. B
   $(-1,0)$
3. C
   $(2,0)$
4. D
   $\left(-\frac{1}{2},0\right)$

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