Use the graph to evaluate the limit.
f(x)
A. 0
B. 2
C. does not exist
D. -2
Answer: A
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Write out the first five terms of the sequence.an = (-1)n - 1 
A. 4, 1, 
, 1, 
B. 4, - 
, 
, - 1, 
C. - 4, 
, 
, - 1, 
D. - 4, 
, - 
, 1, - 
Solve the problem.A summer camp wants to hire counselors and aides to fill its staffing needs at minimum cost. The average monthly salary of a counselor is $2400 and the average monthly salary of an aide is $1100. The camp can accommodate up to 45 staff members and needs at least 30 to run properly. They must have at least 10 aides, and may have up to 3 aides for every 2 counselors. How many counselors and how many aides should the camp hire to minimize cost?
A. 35 counselors and 10 aides B. 27 counselors and 18 aides C. 12 counselors and 18 aides D. 18 counselors and 12 aides
Find the vertex of the parabola.y = x2 + 14x + 50
A. (-1, 7) B. (7, -1) C. (1, -7) D. (-7, 1)
State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.6(x - 1)12(x + 1)9
A. Yes; degree 21 B. Yes; degree 6 C. Yes; degree 12 D. Yes; degree 72