Find the unit tangent vector T(t) for r(t) = 4ti+2tj+4tk at t = 2.
What will be an ideal response?
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Answer the question.Which of the statements below suggests an appropriate level of precision?
A. 8300 people have enrolled for the college for next year. [Number given to the nearest hundred] B. 8314 people have enrolled for the college for next year. C. 8000 people have enrolled for the college for next year. [Number given to the nearest thousand] D. 8314.1 people have enrolled for the college for next year.
Find the common difference for the arithmetic sequence.5, 6, 7, 8, . . .
A. 15 B. 5 C. 1 D. 0.75
Provide an appropriate response.If f(x) = x3x + 1, then f'(x) =
A. (3x + 1)x3x.
B. (2x + ln x)x3x + 1.
C. 
+ 3 ln x.
D. (ln x)x3x.
E. x3x + 1
.
Determine whether the given function is positive or negative for values of t in the specified quadrant. Quadrant IV, tan t
A. Negative B. Positive