Simplify.
+ 
? 
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.A 10-pound weight stretches a spring 3 inches. The 10-pound weight is replaced by a 16-pound weight, and the system is allowed to come to equilibrium. The 16-pound weight is then raised 3 feet and released with an initial velocity of 5 feet per second downward. Find the equation of motion. Neglect friction.
A. y = 3 cos 8.944t + 3 sin 8.944t B. y = -3 cos 8.944t + 0.559 sin 8.944t C. y = -3 cos 2.582t + 1.936 sin 2.582t D. y = 3 sin 8.944t + 0.559 cos 8.944t
Find the Taylor polynomial of order 3 generated by f at a.f(x) = x2, a = 4
A. 16 + 8(x - 16) + (x - 16)2 B. 16 + 8(x - 16) + 12(x - 16)2 + 16(x - 16)3 C. 1 + 32(x - 16) + 192(x - 16)2 + 1024(x - 16)3 D. 1 + 8(x - 16) + 12(x - 16)2 + 16(x - 16)3
Find the product.(x - 3)3
A. x3 - 3x2 + 15x - 27 B. x3 - 9x2 + 9x - 27 C. x3 - 9x2 + 15x - 27 D. x3 - 9x2 + 27x - 27
Solve.The value of a particular investment follows a pattern of exponential growth. You invested money in a money market account. The value of your investment t years after your initial investment is given by the exponential growth model A = 4500e0.066t. How much did you initially invest in the account?
A. $2250.00 B. $4500.00 C. $297.00 D. $4807.02