Use a graphing utility to graph the curve defined by the given parametric equations.x = 2t2, y = t + 2; -? < t < ?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Calculate the circulation of the field F around the closed curve C.F = 7x2yi + 7xy2j; curve C is r(t) = 5 cos ti + 5 sin tj, 0 ? t ? 2?
A. 14 B. 35 C. 70 D. 0
Mathematics
Solve.If 2.5 pounds of a certain grain cost $2, how much will 5.3 pounds of the grain cost?
A. $4.38 B. $4.24 C. $4.79 D. $3.62
Mathematics
Find the indicated vector.Let u = 
, v = 
. Find 5u - 4v.
A. 
B. 
C. 
D. 
Mathematics
The circuit shown below:
a. Has maximum output at fr
b. Has minimum output at fr
c. Is a band reject filter
d. Has a maximum output at fr and is a band reject filter
e. Has a minimum output at fr and is a band reject filter
Mathematics