Solve the equation for the specified variable.
+ 
= 
for c
A. c = a + b
B. c = 
C. c = ab(a + b)
D. c = 
Answer: B
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Solve the problem.Suppose that c(x) = 4x3 - 39x2 + 8324x is the cost of manufacturing x items. Find a production level that will minimize the average cost of making x items.
A. 89 items B. -70 items C. 8324 items D. There is not a production level that will minimize average cost.
Simplify. Assume that all variables and radicands represent nonnegative values.
A. 3x2 
B. 3x
C. 3xy
D. 3xy2 
Determine whether the ordered pair is a solution of the given linear equation.x = 12y; (1, 12)
A. yes B. no
Draw a unit circle centered at the origin and sketch ?A = 90°. Label as P where the side of A, not on the x-axis, intersects the unit circle. Find and label the coordinates of P on the unit circle.
What will be an ideal response?