A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.V = 
?r3; r = 4, ? = 3.14
A. 85.33
B. 803.85
C. 267.95
D. 66.99
Answer: C
Mathematics
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Evaluate the improper integral.
A. 7 B. 8 C. 2 D. 14
Mathematics
Answer the question.Consider a function f(x, y, z), where the independent variables are constrained to lie on the curve 
(t) = x(t)i + y(t)j + z(t)k. What mathematical fact forms the basis for the method of Lagrange multipliers?
A. ?f?
= 0
B. ?f??g = 0
C. ?g = 0
D. f approaches a local extremum as ? ? 0.
Mathematics
Simplify the expression using the imaginary unit i.
A. -6
B. 6i
C. -6i
D. 6
Mathematics
Use the summation properties to evaluate the series. The following rules may be needed: 
.
A. 13 B. 15 C. - 1 D. 29
Mathematics