Evaluate the integral.
A. 5
i
B. 0
C. 2
i
D. 2
i + 5
j
Answer: C
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Sketch the graph of the equation. Identify the vertex and the intercepts.y = 4x2 - 40x + 101
A. vertex (5, 1)
x-intercepts: none
y-intercept: 
B. vertex (-5, 1)
x-intercepts: none
y-intercept 
C. vertex (-5, 1)
x-intercepts: none
y-intercept (0, 101)
D. vertex: (5, 1)
x-intercepts: none
y-intercept: (0, 101)
Factor.p2 - 2pq + q2 - 9r2
A. (p - q + 3r)2 B. (p + q - 3r)2 C. (p + q + 3r)(p - q - 3r) D. (p - q + 3r)(p - q - 3r)
Solve the absolute value inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.|x - 7| < 0
A. (-7, ?)
B. (-?, 7)
C. (-7, 7)
D. ?
Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. - 
B. 
C. - 
D. 