Solve.The formula P = 0.67x2 - 0.042x + 1 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 54,892 fish?
A. 2007
B. 2008
C. 2005
D. 2006
Answer: D
Mathematics
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Solve the given trigonometric equation by use of a graphing calculator. Use values of x for 0 ? x < 2?.cos 4x - sin 2x = 0
A. 0.26, 1.31, 2.36 B. 0.26, 1.31, 2.36, 3.40, 4.45, 5.50 C. 0.26, 1.31, 3.40, 4.45 D. 2.36, 5.50
Mathematics
Write the domain and range of the function in interval notation.f(x) = 
A. D: (-?, 25]; R: (-?, ?) B. D: (-?, 25) ? (25, ?); R: (-?, ?) C. D: (-?, 25]; R: [0, ?) D. D: (-?, 25) ? (25, ?); R: [0, ?)
Mathematics
Find all solutions of the equation in the interval [0, 2?). Round the solution to four decimal places.sin x = 0.1237
A. 0.1240, 3.2656 B. 0.1240, 6.1592 C. 0.1240, 3.0176 D. 0.1240
Mathematics
Find the y-intercept.
A. (1, 0) B. (0, 0) C. No y-intercept D. (0, 1)
Mathematics