The sequence is defined recursively. Write the first four terms.a1 = -8; an = 
A. a1 = -8, a2 = - 
, a3 = - 
, a4 = - 
B. a1 = -8, a2 = - 4, a3 = - 
, a4 = - 
C. a1 = -8, a2 = -8, a3 = - 4, a4 = - 
D. a1 = -8, a2 = -8, a3 = - 
, a4 = - 
Answer: A
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Solve the problem.A person with no more than $4,000 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 ? 4,000 3x ? y x ? 0 y ? 0 B. x + y = 4,000 x ? 3y x ? 0 y ? 0 C. x + y ? 4,000 x ? 3y x ? 0 y ? 0 D. x + y = 4,000 y ? 3x x ? 0 y ? 0
Simplify.  figure 1.png)
What will be an ideal response?
Find an equation of the tangent line to the curve 
at the point (1, ?).
Complete the factorization.-12z7 = -6z4(
)
A. 72z B. 2z3 C. -2z3 D. 2z4