Determine the two equations necessary to graph the ellipse with a graphing calculator.
+ 
= 1
A. y = 
and y = -
B. y = 
and y = - 
C. y = 
and y = -
D. y = 
and y = - 
Answer: D
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Use a graph to find an approximate solution to the equation. Round to the nearest thousandth.e3x e4x = e4
A. -0.709 B. 0.571 C. 0.754 D. 1.851
Solve the problem.Find the optimum number of batches (to the nearest whole number) of an item that should be produced annually (in order to minimize cost) if 180,000 units are to be made, it costs $2 to store a unit for one year, and it costs $440 to set up the factory to produce each batch.
A. 20 batches B. 14 batches C. 16 batches D. 22 batches
Write interval notation.{x?-2 < x < 2}
A. [-2, 2] B. (-2, 2) C. [-2, 2) D. (-2, 2]
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.75a4b - 147b3
A. 3b(5a - 7b)2 B. 3b(5a2 + 7b)(5a2 - 7b) C. 3b(5a + 7b)2 D. (15a + 21b)(5ab - 7b2)