Find all solutions of the equation in the interval [0, 2?).csc 3x = 0
A. 0, 
, ?, 
B. 
, 
C. 
, 
, 
, 
D. ?
Answer: D
Mathematics
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Find the sum of the series.
A. 
B. 1
C. 
D. 3
Mathematics
Simplify the difference quotients 
and 
for the following function. Rationalize the numerator when necessary.f(x) = 3x3
A. 3x2 + 3xh + 3h2; 9x2 + 9ax + 9a2 B. 9x2 + 9xh + 3h2; 3x2 + 3ax + 3a2 C. 9x2 - 9x - 3h; 3x2 - 3ax - 3a2 D. 3x2 + 3xh + 3h2; 3x2 + 9ax + 9a2
Mathematics
Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.(5, 50)
A. y = 
x2
B. y = 5x2
C. y = -2x2
D. y = 2x2
Mathematics
Solve the problem.The length of a rectangular storage room is 2 feet longer than its width. If the area of the room is 80 square feet, find its dimensions.
A. w = 8 ft, l = 10 ft B. w = 7 ft, l = 9 ft C. w = 9 ft, l = 11 ft D. w = 7 ft, l = 11 ft
Mathematics