Provide an appropriate response.The following equations each describe the motion of a particle. For which path is the particle's speed constant?(1) r(t) = t8i + t6j(2) r(t) = cos (8t)i + sin (3t)j(3) r(t) = ti + tj(4) r(t) = cos (-4t2)i + sin (-4t2)j
A. Path (4) and Path (2)
B. Path (1)
C. Path (2) and Path (3)
D. Path (3)
Answer: D
Mathematics
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Convert the common fraction into decimal form. If necessary, round to the nearest thousandth.
A. 4.5 B. 3.5 C. 14 D. 2.5
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Provide an appropriate response.Explain how the equation log x = 1 could be solved using the graph of 
What will be an ideal response?
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Express the repeating decimal number as a quotient of two integers.0.9
A. 
B. 
C. 
D. 
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For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = 9x + 10;
Find (g ? f)(x).
A. x + 20
B. x
C. x - 
D. 9x + 80
Mathematics