Calc WA 1.3

Section 4 .2

8

14

58

66

74

The present value of 45 ,000 if interest is 3 .6 compounded monthly in 1 year is approximately 43 ,411 .15

Section 4 .3

4

14

16

46

62

72

82

Section 4 .4

14

30

52

a

According to the equation , the percent of freshman who performed volunteer work is 82 .5951 percent . The calculated percentage is lower than the actual 82 .6 percent by approximately 0 .0049

percent

b ) Exponential function is not an appropriate model since the exponential curve cannot be fitted to the data given . A logarithmic curve is fitter than an exponential curve

56

Species diversity of the virgin forest is approximately 1 .5886

Section 4 .5

6

24

60

76

The interest rate is 4 .27 percent

94

Section 4 .6

2

10

Section 5 .1

14

The two angles are 74 .4o and 105 .6o

22

The two angles are 40o and 50o

40

54

76

The coterminal angle of -203o is 157o

96

Where x is the number of complete rotation . Negative rotations are denoted as negative numbers

118

units

130

The angle of the point in the edge of the propeller at 1 second is 240o

Section 5 .2

4

24

56

74

Quadrants I and IV

94

The value of sin ? is -3 /5 since it is in the fourth quadrant

Section 5 .3

4

6

70

72

102

Section 5 .4

8

32

Let x be the length of RS

The...