Provide an appropriate response.If r > 0, 0 ? ? < 2?, and r cis ? has imaginary part equal to 0, then what must ? be?
A. ?
B. 0
C. 
D. 
Answer: B
Mathematics
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Use a double integral to find the volume of the solid shown in the figure.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
The graph of ax2 + bx + c is given. Use this graph to solve ax2 + bx + c = 0, if possible.
A. -1, 8 B. 1, -8 C. 1, 8 D. -1
Mathematics
Find the maximum value of the function and the values of x and y at which the maximum occurs.G = 7x - 2y, subject to x ? 0 0 ? y ? 7 x - y ? 4 x + 2y ? 16
A. Maximum: -14; at (0, 7) B. Maximum: 48; at (8, 4) C. Maximum: 28; at (4, 0) D. Maximum: 0; at (2, 7)
Mathematics
Simplify the expression. If necessary, express the result that is not a rational number as a decimal rounded to two decimal places.
A. -15 B. -112 C. 15 D. not a real number
Mathematics