At what points is the given function continuous?f(x, y) = 
A. All (x, y) such that 7x + 7y ? 0
B. All (x, y) such that x + y ? 0
C. All (x, y) such that 7x + 7y ? 0
D. All (x, y)
Answer: A
Mathematics
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A. p - 7 + 
B. p + 5 + 
C. p - 5 + 
D. p - 5
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Find the term indicated in the expansion.(2x - 3y)11; 4th term
A. -570,240x3y8 B. -1,140,480x8y3 C. 380,160x8y4 D. 380,160x3y8
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Solve the problem.Find (g?f)(2) when f(x) = 
and g(x) = 2x2.
A. 8
B. 
C. 38
D. 382
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Find the circle's circumference or area, as requested. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.Find the area of the circle.
A. 13.5 yd2 B. 58.1 yd2 C. 14.5 yd2 D. 27 yd2
Mathematics