Find the product.-7x(6 - 8x)
A. -42x + 56x2
B. 70x
C. -42x - 8x2
D. -42x - 56x2
Answer: A
Mathematics
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Sketch the surface z = f(x,y).f(x, y) = 2 -x2 - y2
A. 
B. 
C. 
D. 
Mathematics
Solve the compound inequality. Express the solution using interval notation. Graph the solution set.-4x < -20 and x + 4 > 5
A. (1, 5)
B. (-?, 1) ? (5, ?)
C. (5, ?)
D. ?
Mathematics
Convert to exponential notation.
A. -x2/9 B. x-2/9 C. x9/2 D. x-9/2
Mathematics
Use the graph of a known basic function and a combination of horizontal and vertical shifts to sketch the function.f(x) = 
+ 1
A. 
B. 
C. 
D. 
Mathematics