Solve the problem.The formula 
models the approximate population P, in thousands, for a species of fish in a local pond, x years after 1997. During what year will the population reach 33.542 thousand fish?
A. 2005
B. 2006
C. 2003
D. 2004
Answer: D
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Solve the problem.Evaluate 
at t = 
? for the function w(x, y, z) = 
; x = sin t, y = cost, z = t2.
A. - 
B. - 
C. - 
D. 
Determine whether the relation is a function.
A. Function B. Not a function
Graph the inequality.5x + y ? 4
A. 
B. 
C. 
D. 
Solve the problem.A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. By using linear regression, the following function is obtained: 
where x is the number of hours spent in the lab and y is grade on the test. Use this function to predict the grade of a student who spends 13 hours in the lab. Number of hours spent in lab Grade (percent) 10 96 11 51 16 62 9 58 7 89 15 81 16 46 10 51
A. 64.4 B. 60.4 C. 75.6 D. 67.0