Find the product using FOIL.(x + 8y)(x - 12y)
A. x2 - 4xy - 4y2
B. x2 - 7xy - 96y2
C. x - 4xy - 96y
D. x2 - 4xy - 96y2
Answer: D
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Determine whether the first literal expression is equal to the second literal expression.a + b, b - (-a)
A. Yes B. No
Solve the problem.Find the point of diminishing returns (x, y) for the function 
, 
, where R(x) represents revenue in thousands of dollars and x represents the amount spent on advertising in tens of thousands of dollars. (The point of diminishing returns is represented by the point of inflection.)
A. (64.79, -39,678.36) B. (18, 28,748) C. (14, 24,076) D. (15, 25,250)
Solve. Graph the solution on a number line, and express it in interval notation.5x + 11 ? -35
or
5x + 11 ? 35
A. -10 ? x ? 4, [-10, 4]
B. x ? - 
or x ? 
, 
? 
C. x ? -10 or x ? 4, (-?, -10] ? [4, ?)
D. - 
? x ? 
, 
Provide the appropriate response.What is the greatest prime number you must consider to test whether 3599 is prime?
A. 63 B. 59 C. 64 D. 31