Evaluate the function.X(x, y) = cos(y sin x); find X
.
A. 
B. 
C. - 
D. - 
Answer: A
Mathematics
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For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = (2t sin t + 2 cos t)i + (2t cos t - 2 sin t)j + 7k
A. a = 2T + 2tN
B. a = 
N
C. a = 2T + 
N
D. a = 2tN
Mathematics
Find the inverse of the function.f(x) = x3 - 5
A. f-1(x) = 
B. Not a one-to-one function
C. f-1(x) = 
+ 5
D. f-1(x) = 
Mathematics
Solve by substitution:
A) (3, 0)
B) (4, –4)
C) (2, 4)
D) Dependent
E) No solution
Mathematics
Describe the distributions with a pie chart.The following figures give the economic distribution for 5,000 people who live in a certain county.PoorMiddle IncomeRich1,500?3,000?500
A. 
B. 
Mathematics