Solve the inequality and graph the solution on a number line.2x2 + 3x - 20 ? 0
A. A = -4
B. A = 
C. A = -4, B = 
D. A = -4, B = 
Answer: C
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Find all the first order partial derivatives for the following function.f(x, y) = sin2 (4xy2 - y)
A. fx(x, y) = 2 sin (4xy2 - y) cos (4xy2 - y); fy(x, y) = 2 sin(4xy2 - y) cos(4xy2 - y) B. fx(x, y) = 2 sin (4xy2 - y) cos (4xy2 - y); fy(x, y) = (16x - 2) sin (4xy2 - y) cos (4xy2 - y) C. fx(x, y) = 8y2 sin (4xy2 - y) cos (4xy2 - y); fy(x, y) = 2 sin (4xy2 - y) cos (4xy2 - y) D. fx(x, y) = 8y2 sin (4xy2 - y) cos (4xy2 - y); fy(x, y) = (16xy - 2) sin (4xy2 - y) cos (4xy2 - y)
Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = 4t
A. 4t
B. 
C. 
D. 
Determine whether the series is convergent or divergent.
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Fill in the blank with one of the words or phrases listed below. Not all choices will be used and some choices may be used more than once.
If x2 = a, then x = 
or x = -
. This property is called the 
property.
A. factoring B. quadratic C. square root D. complex