Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Answer: B
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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = (4x - 2y)5
A. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
c ? 0
B. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
c ? 0
C. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
D. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
Evaluate the spherical coordinate integral.
A. 
?2
B. 3?2
C. 
?2
D. 9?2
Find the indicated term by use of the following information. The r + 1 term of the expansion of (a + b)n is given by 
an - r brThe term involving y11 in (x + y)15
A. 1365x4y11 B. 455x4y11 C. 5460x4y11 D. 4x4y11
Provide an appropriate response.Solve the inequality: 4x + x + 10 > 5x + 6 - 3
A. x > 13 B. x < -13 C. no solution D. all real numbers