Use the order of operations to simplify the expression.9 ? 7 - 8
A. 9
B. 504
C. 55
D. 71
Answer: C
Mathematics
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Evaluate the surface integral of G over the surface S.S is the hemisphere x2 + y2 + z2 = 5, z ? 0; G(x,y,z) = z2
A. 
?
B. 
?
C. 100?
D. 
?
Mathematics
Use the accompanying graph of y = f(x) to sketch the graph of the indicated function. Label at least three points on the new graph.y = - 
f(x)
A. 
B. 
C. 
D. 
Mathematics
Provide the requested information about the circular function.What is the range of y = cos x?
A. [-1, 1] B. (-?, -1] ? [1, ?) C. (-?, ?) D. (-1, 1)
Mathematics
Find the axis of symmetry of the quadratic function.f(x) = (x + 3)2 + 5
A. x = -3 B. y = 5 C. x = 3 D. y = -5
Mathematics