1. -1
2. -2
3. -3
4. -4
-2
1. onto but not one-one
2. one-one but not onto
3. one-one and onto
4. neither one-one nor onto
onto but not one-one
1. -(1/9)
2. -(2/9)
3. -(1/3)
4. 1/3
-(2/9)
1. 0
2. 1
3. 2
4. 3
1
1. 0
2. 1
3. 2
4. -1
1
1. 0
2. 1
3. 2
4. 3
0
1. 0
2. -1
3. 2
4. 1
-1
1. 1/30π ft/min
2. 1/15π ft/min
3. 1/20 ft/min
4. 1/25 ft/min
1/25 ft/min
1. 2
2. 7
3. √7
4. √2
√7
1. tan-1(2√2)
2. tan-1(3√2)
3. tan-1(3√3)
4. tan-1(5√2)
tan<sup>-1</sup>(5√2)