Find the domain of the composite function (f ? g)(x). Write the domain in interval notation.f(x) = 5x + 30, g(x) = x + 1
A. (-?, 7) ? (7, ?)
B. (-?, -6) ? (-6, -1) (-1, ?)
C. (-?, ?)
D. (-?, -7) ? (-7, ?)
Answer: C
Mathematics
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Evaluate the integral.
dx
A. 24 B. 288 C. 192 D. 128
Mathematics
Divide and simplify.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Find the second-order partial derivative.Find fyx when f(x,y) = 8x3y - 7y2 + 2x.
A. -14 B. -28 C. 48xy D. 24x2
Mathematics
Perform the indicated operation. Simplify if possible.
+ 
A. 
B. - 
C. 0
D. 
Mathematics