Find the area of the triangle having the given measurements. Round to the nearest square unit.C = 100°, a = 3 yards, b = 8 yards
A. 47 square yards
B. 2 square yards
C. 12 square yards
D. 24 square yards
Answer: C
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For the smooth curve r(t), find the parametric equations for the line that is tangent to r at the given parameter value 
r(t) = (5 tan t)i - (3 sin t)j + (4 cos2 t)k ; t0 = 
A. x = 5 + 10t, y = -
+ 
t, z = 2 + 4t
B. x = 5 + 10t, y = -
- 
t, z = 2 - 4t
C. x = 5 + 10t, y = -
- 
t, z = 4 - 4t
D. x = 10 + 5t, y = -
- 
t, z= -4 + 2t
Find the Jacobian for the given transformation.
A. -9 B. 9 C. 21 D. -21
Solve the system graphically. Do not use a calculator.
A. {(2, 3), (2, -3)} B. {(2, -3)} C. {(2, 3)} D. {(2, 3), (-2, -3)}
Describe the behavior of the function below as x approaches 0+.
?
?
A. f ? +? as x ? 0+. B. f ? 0 as x ? 0+. C. f ? -1 as x ? 0+. D. f ? -? as x ? 0+. E. f ? 1 as x ? 0+.