Find the exact area of the circle.
A. 81? sq ft
B. 324? sq ft
C. 20.25? sq ft
D. 972? sq ft
Answer: C
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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = 1 - x2 between x = -1 and x = 1 using the midpoint sum with two rectangles of equal width.
A. 0.75 B. 2 C. 0.5 D. 1.5
Without graphing, find the maximum value or minimum value.f(x) = (x + 9)2 - 2
A. 8 B. 10 C. 9 D. -2
Let A = {1, 3, 5, 7}B = {5, 6, 7, 8}C = {5, 8}D = {2, 5, 8}U = {1, 2, 3, 4, 5, 6, 7, 8}.Determine whether the statement is true or false.C ? D
A. False; the elements are the same in C and D. B. False; D is a subset of C. C. True D. False; C is not a subset of D.
Find a rectangular equation for the plane curve defined by the parametric equations.x = 5 tan t, y = 4 cot t
A. y = 
B. y = 
sin x
C. y = 
cos x
D. y = 