Which method should be used to solve the system? Explain your answer, including a description of the first step.x2 + y2 =162x + 6y =-2
What will be an ideal response?
Substitution should be used, because using elimination would mean introducing an xy-term into the second equation unnecessarily. The second equation should be solved for x or y.
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Use the table of values of f to estimate the limit.Let f(x) = 
, find 
f(x).
A. 
; limit = 5.10
B. 
; limit = 1.20
C. 
; limit = ?
D. 
; limit = 4.0
Answer the question.How many people must be in a room to be sure that at least two were born in the same month of the year?
A. 12 people B. 2 people C. 13 people D. 3 people
Solve the problem.There were 35,000 people at a ball game in Los Angeles. The day's receipts were $301,000. How many people paid $13 for reserved seats and how many paid $6 for general admission?
A. 22,750 people paid $13 and 12,250 people paid $6 B. 12,250 people paid $13 and 22,750 people paid $6 C. 13,000 people paid $13 and 22,000 people paid $6 D. 22,000 people paid $13 and 13,000 people paid $6
Write the expression for the general (or nth) term, an, of the geometric sequence.6, -12, 24, -48, 96,. . .
A. an = a1 - 2n B. an = 6(-2)n C. an = 6(-2)n-1 D. an = 6(-2)n