Find the derivative.y = 
A. 
cos (x3)
B. 5 cos (x3) - 5
sin (x3)
C. 6
cos (x3)
D. 5
cos (x3)
Answer: A
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Determine the number of spanning trees in the graph.
A. 29 B. 28 C. 9 D. 27
Provide an appropriate response. Why is a least common denominator so important in adding fractions?
What will be an ideal response?
Determine the quotient.0 ÷ 27
A. 27 B. 0 C. 1 D. Undefined
Solve the problem.A person with no more than $1000 to invest plans to place the money in two investments, telecommunications and pharmaceuticals. The telecommunications investment is to be no more than 3 times the pharmaceuticals investment. Write a system of inequalities to describe the situation. Let 
to be invested in telecommunications and 
to be invested in pharmaceuticals.
A. x + y = 1000 x ? 3y x ? 0 y ? 0 B. x + y = 1000 y ? 3x x ? 0 y ? 0 C. x + y ? 1000 x ? 3y x ? 0 y ? 0 D. x + y ? 1000 3x ? y x ? 0 y ? 0