Write the expression in interval notation. Graph the interval.x < 5
A. (5, ?)
B. (-?, 5)
C. [-?, 5)
D. (-?, 5]
Answer: B
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Solve the problem.The system of equations 
= (-4 + 5y)x and 
= (-4 + x)y describes the growth rates of two symbiotic (dependent) species of animals (such as the rhinoceros and a type of bird which eats insects from its back). What is necessarily true of the two populations at the equilibrium points?
A. They are both at a maximum. B. They are both at a minimum. C. Both populations equal zero. D. They both remain constant over all time.
Find the curvature of the curve r(t).r(t) = (7 + 7 cos 6t) i - (1 + 7 sin 6t)j + 9k
A. ? = 
B. ? = 
C. ? = 7
D. ? = 
Solve.Michael's bank contains only nickels, dimes, and quarters. There are 59 coins in all, valued at $4.75. The number of nickels is 1 short of being three times the sum of the number of dimes and quarters together. How many dimes are in the bank?
A. 8 B. 7 C. 13 D. 44
Suppose P(C) = .048, P(M ? C) = .044, and P(M ? C) = .524. Find the indicated probability.P(M' ? C')
A. .466 B. .004 C. .524 D. .956