Solve the problem.A weight attached to a spring is pulled down 4 inches below the equilibrium position. Assuming that the frequency of the system is
cycles per second, determine a trigonometric model that gives the position of the weight at time t seconds.
A. y = -4 cos t
B. y = 4 cos 6t
C. y = 4? cos 3t
D. y = -4 cos 6t
Answer: D
Mathematics
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Fill in the blank(s) with the appropriate word(s).
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Find the exact value of the given expression.
What will be an ideal response?
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Solve the equation. Round your answer to four decimal places.log414 + log4(x - 1) = 6
A. x = 2.7143 B. x = 293.5714 C. x = 291.5714 D. x = 257
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Factor by grouping.x2 - 3x - 5x + 15
A. (x + 5)(x - 3) B. (x - 5)(x + 6) C. -8x(x2 + 15) D. (x - 5)(x - 3)
Mathematics