Perform the indicated operations to decide whether the statement is true or false.-2 + [-9 + 5] = [(-2) + (-9)] + 5
A. False
B. True
Answer: B
Mathematics
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Find all points where the function is discontinuous.
A. None B. x = 2 C. x = 4, x = 2 D. x = 4
Mathematics
Graph the curve over the given interval together with its tangent at the given value of x. Graph the tangent with a dashed line.y = cot(x), -2? ? x ? 2?, x = 
A. 
B. 
C. 
D. 
Mathematics
Solve.The radius required for a cone to have a volume V and a height h is given by the equation r = 
1/2Find the necessary radius to have a cone with the V = 2826 cubic inches and h = 12 inches. Use 
and round to the nearest whole number.
A. 108 inches B. 20 inches C. 113 inches D. 15 inches
Mathematics
Find the LCD for the given rational expressions.
, 
A. x(x + 9)(x - 6) B. (x + 9)2 C. x(x + 3)(x - 6) D. x(x + 9)2
Mathematics