Solve the problem.A weight suspended from a spring is vibrating vertically with up being the positive direction. The function f(t) = 10 sin 
represents the distance in centimeters of the weight from its rest position as a function of time t, where t is measured in seconds. Find the smallest positive value of t for which the displacement of the weight above its rest position is 5 cm. Round answer to three decimal places, if necessary.
A. 1.586
B. 0.222
C. 2.293
D. 0.556
Answer: D
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Write the statement in symbolic form.Let p: The outside humidity is high. q: The basement dehumidifier is running. r: The basement is getting moldy.The outside humidity is high and the basement dehumidifier is running, or the basement is getting moldy.
A. p ? q ? r B. (p ? q) ? ~ r C. p ? (q ? r) D. (p ? q) ? r
Convert the units using two or three unit fractions.6 hr = 
sec
A. 21,600 B. 10,800 C. 5400 D. 360
Tell whether the expression is a polynomial. If it is, give its degree.1 - 3x
A. Polynomial; degree -3 B. Polynomial; degree 3 C. Polynomial; degree 1 D. Not a polynomial
Write a numerical expression for the phrase and simplify it.The product of -3 and the sum of 5 and -6
A. (-3)(-6) + 5; 23 B. -3 + (5)(-6); -33 C. -3[5 + (-6)]; 3 D. (-3)(5) + (-6); -21