Tell where the function is increasing.
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Please enter your answer in interval notation.
What will be an ideal response?
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Solve the problem.A spring with a spring constant k of 8 pounds per foot is loaded with a 16-pound weight and allowed to reach equilibrium. It is then displaced 4 feet downward and released. If the weight experiences a retarding force in pounds equal to 0.15 times the velocity, find the equation of motion.
A. y ? e-0.15t(4 cos 4t + 0.15 sin 4t) B. y ? e-0.075t(4 cos 4t + 1.2 sin 4t) C. y ? 4 sin 4t + 1.2 cos 4t D. y ? e-0.15t(4 sin 4t + 0.15 cos 4t)
Find an approximate value for the integral, using the trapezoidal rule with n intervals. Round the answer to the nearest tenth if necessary.
, n = 2
A. 4.1 B. 2.5 C. 0.1 D. 2.4
Simplify the algebraic expression.4.4(-1.2x - 4.1)
A. -5.28x - 18.04 B. -5.28x - 4.1 C. 5.28x - 18.04 D. 5.28x - 4.1
Use a calculator or the square root table to approximate the square root to the nearest thousandth.- 
A. -2.454 B. -2.449 C. -6.000 D. -2.446