Graph the integrand and use geometry to evaluate the integral.
A. 48
B. 72
C. 12
D. 36
Answer: D
Mathematics
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Convert using dimensional analysis.6 feet to inches
A. 24 in. B. 72 in. C. 216 in. D. 18 in.
Mathematics
Graph the parametric equation for the given interval. Add arrows to show how the curve is traced out. x = 2t - 1, y = t2 + 2; -4 ? t ? 4
A. 
B. 
C. 
D. 
Mathematics
Divide and simplify.
A. 
- 2 + 
B. 
+ 2 + 
C. 
- 2 + 
D. 
+ 2 + 
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 
, ? < ? < 
Find cos(2?).
A. 
B. - 
C. 
D. - 
Mathematics