Perform the indicated operation.(-7x6 + 8x8 + 4 - 2x7) - (-6 + 9x7 + 3x8 - 9x6)
A. 11x8 + 7x7 - 16x6 + 10
B. 5x8 + 7x7 - 16x6 - 2
C. 11x8 + 7x7 - 16x6 - 2
D. 5x8 - 11x7 + 2x6 + 10
Answer: D
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Solve the inequality symbolically. Express the solution set in interval notation.-6(2z + 4) < -18z - 12
A. (-?, -18) B. (2, ?) C. (-?, 2) D. (-18, ?)
Find the differential of the function at the indicated number.
Solve the problem.Use the graph of the two linear functions W(t) and M(t) below to answer the questions that follow. The graph shows the speed at which the record times in the marathon were run by women and men in the years since 1991.
i)For what value(s) of t is W(t) = M(t)? What does your result mean in terms of the situation?ii) For what value(s) of T is W(t) > M(t)? What does your result mean in terms of the situation?
What will be an ideal response?
Match the given equation with one of the graphs.49x2 + 9y2 = 441
A. 
B. 
C. 
D. 