Solve the problem.The position of a particle is given by r(t) = sin 7t i + cos 3t j. Find the velocity vector for the particle.
A. cos 7t i - sin 3t j
B. 7 cos 7t i - 3 sin 3t j
C. 7 i + 3 j
D. 7 sin 7t i + 3 cos 3t j
Answer: B
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A. 60 B. -60 C. 32 D. -32
Convert as indicated. Express the answer in decimal form when needed.7 days to seconds
A. 10,080 sec B. 25,200 sec C. 1,512,000 sec D. 604,800 sec
Write the equation of a polynomial function with the given characteristics. Use a leading coefficient of 1 or -1 and make the degree of the function as small as possible.Crosses the x-axis at -4, 0, and 1; lies below the x-axis between -4 and 0; lies above the x-axis between 0 and 1.
A. f(x) = x3 + 3x2 - 4x B. f(x) = - x3 + 3x2 + 4x C. f(x) = -x3 - 3x2 + 4x D. f(x) = x3 - 3x2 - 4x
Provide the proper response.If two nonvertical lines have the same slope, they are 
.
Fill in the blank(s) with the appropriate word(s).