Solve by the quadratic formula. If there are no real roots, say so.3x2 + 8x = -2
A. x = 
B. x = 
C. x = 
D. x = 
Answer: B
Mathematics
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Evaluate the spherical coordinate integral.
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Subtract.106.24 - 0.4346
A. 105.8054 B. 105.8044 C. 105.8053 D. 105.81
Mathematics
Identify intervals on which the function is increasing, decreasing, or constant.f(x) = x3 - x2 + 2
A. Increasing: (-?, 0) and (0.67, ?); constant: (0, 0.67) B. Increasing: (-?, 0) and (0.67, ?); decreasing: (0, 0.67) C. Increasing: (-?, -2) and (2, ?); decreasing: (-2, 2) D. Increasing: (0, 0.67); decreasing: (-?, 0) and (0.67, ?)
Mathematics
Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = 
, g(x) = x2
A. No, yes B. Yes, yes C. No, no D. Yes, no
Mathematics