Write interval notation.{x?3 < x < 7}
A. [3, 7]
B. (3, 7)
C. [3, 7)
D. (3, 7]
Answer: B
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Plot the parametric surface over the indicated domain.r(u, v) = cos u sin vi + cos v sin uj + sin vk; 0 ? u ? 2?, 0 ? v ? 2?
A. 
B. 
C. 
D. 
Find the common ratio for the geometric sequence.(-8)-2, (-8)-3, (-8)-4, . . .
A. 
B. - 
C. - 8
D. 8
Solve the equation. Round to the nearest tenth, if necessary.A ball is dropped from a cliff that is 272 ft high. The distance S (in feet) that it falls in t seconds is given by the formula S = 16t2. How many seconds will it take for the ball to hit the ground? Round to the nearest tenth of a second.
A. 16.5 sec B. 16 sec C. 4.1 sec D. 4624 sec
Find the adjusted gross income.Curt had income from these sources: $19,794 from his job, $61 in interest, and $248 in dividends. He paid $3,189 in alimony.
A. $16,853 B. $20,103 C. $16,914 D. $23,292