Find 
.
A. 
B. 
C. 
D. 
E. 
Answer: A
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Determine if the ordered triple is a solution to the given system.
; (-1, -4, 2)
A. Yes B. No
Solve the problem.A pharmaceutical company introduces a new headache medication on the market. They advertise the product on television and find that the percentage P of people who buy the product after t weeks satisfies the function 
What percentage buy the product after 16 weeks? Round to the nearest tenth of a percent when necessary.
A. 17.8% B. 19.6% C. 14.2% D. 21.3%
Without graphing, answer the following questions for the linear system.(i) Is the system inconsistent, are the equations dependent, or neither?(ii) Is the graph a pair of intersecting lines, a pair of parallel lines, or one line?(iii) Does the system have one solution, no solution, or an infinite number of solutions? x - 3y = 63y + 1 = x
A. (i) dependent (ii) one line (iii) infinite number of solutions B. (i) inconsistent (ii) parallel lines (iii) no solution C. (i) neither (ii) intersecting lines (iii) one solution
Determine whether the functions f(x) and g(x) are inverse functions.f(x) = -x + 9, g(x) = x - 9
A. Yes B. No