Find the least common denominator of the rational expressions.
and 
A. 36
B. x(x + 7)
C. x + 7
D. x
Answer: B
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Use the graph to answer the question.
What was the increase in sales between month 5 and month 6 of 2009?
A. $8000 B. $4000 C. $800 D. $4
The graph of a function f is given. Use the graph to answer the question.Use the graph of f given below to find f(5).
A. 10 B. 5 C. 0 D. 6
Multiply.(u2 - 3)(u2 + u - 4)
A. u4 + u3 - 7u2 - 3u + 12 B. u4 - 3u2 - 3u + 12 C. u4 + u3 - 3u + 12 D. u4 + u3 + 7u2 - 3u + 12
Solve the problem.Marty's Tee Shirt & Jacket Company is to produce a new line of jackets with a embroidery of a Great Pyrenees dog on the front. There are fixed costs of $670 to set up for production, and variable costs of $30 per jacket. Write an equation that can be used to determine the total cost, C(x), encountered by Marty's Company in producing x jackets, and use the equation to find the total cost of producing 77 jackets.
A. $2960 B. $2980 C. $2992 D. $2972