Solve.(5x + 5)2 = 100
A. -3, 1
B. ± 21
C. 1, 3
D. 0, 1
Answer: A
Mathematics
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Find dy/dt.y = (1 + sin 11t)-4
A. -4(1 + sin 11t)-5 cos 11t B. -44(cos 11t)-5 C. -4(1 + sin 11t)-5 D. -44(1 + sin 11t)-5 cos 11t
Mathematics
Graph the solution set of the system.x - 2y ? 2 x + y ? 0
A. 
B. 
C. 
D. 
Mathematics
Evaluate the binomial coefficient.
A. 1680 B. 70 C. 35 D. 140
Mathematics
Find the domain of the function.f(x) = 
A. all real numbers, or (-?, ?) B. {x|x ? -7}, or (-?, -7) ? (-7, ?) C. {x|x < 7}, or (-?, 7) D. {x|x ? 0}, or (-?, 0) ? (0, ?)
Mathematics