Find the intersection of the given intervals.(7, ?) ? [19, ?)
A. (7, ?)
B. [19, ?)
C. (7, 19]
D. (-?, ?)
Answer: B
Mathematics
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Use a graphing calculator to solve the problem.Let f(x) = sin 
+ cos x on the interval I = (0, 7). Use the graph to estimate where f''(x) < 0 on I.
A. (0, 1.77) ? (4.52, 7) B. (0, 5.77) C. (1.77, 4.52) D. (0, 3.14) ? (3.14, 7)
Mathematics
Solve.x1/4 = -5
A. 20 B. 625 C. 1024 D. No solution
Mathematics
Perform the indicated operation.(8x - 3)2
A. 64x2 + 9 B. 64x2 - 48x + 9 C. 8x2 - 48x + 9 D. 8x2 + 9
Mathematics
Use absolute value notation to define the interval shown below.
-86
A. 
B. 
C. 
D. 
E. 
Mathematics