Evaluate the integral.
dz
A. - 
csc 
+ C
B. -cot 
+ C
C. csc 
+ C
D. -csc 
+ C
Answer: D
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Find the derivative of the function.s = sin 
- cos 
A. - 
cos 
- 
sin 
B. 
cos 
- 
sin 
C. cos 
+ sin 
D. 
cos 
+ 
sin 
Find the present value of the annuity. Assume that all interest rates are annual rates.Genie has agreed to contribute $38 per month for the next 3 years toward a new park in town. Assuming an interest rate of 6.5%, how much must she contribute now if she decides to make one lump sum contribution?
A. $1250.04 B. $1251.94 C. $1239.84 D. $1248.14
What percentage of the figure is shaded? Round to the nearest tenth of a percent, when necessary.
A. 56.3% B. 53.1% C. 28.1% D. 62.5%
Change the word statement to an equation. Use x as the variable.5 times a number equals 10 less than 6 times the number.
A. 5x = 10 - 6 B. 5x = 10 - 6x C. 5x = 6x - 10