Find the scalar tangential and normal components of acceleration of a particle with position vector r(t)= 3 sinti+3 costj+5tk.
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Use similar triangles and the fact that corresponding sides are proportional to find the length of the segment marked with an x.
A. 1 in. B. 1.2 in. C. 7.2 in. D. 1.24 in.
Provide an appropriate response.If we wish to locate the candidates for local extrema and saddle points in the interior of the domain of a function 
then how should we proceed?(i) Set the partial derivatives equal to each other.(ii) Set the partial derivatives equal to zero.(iii) Set the partial derivatives equal to the critical values.
A. Only (i) is correct. B. Only (ii) is correct. C. Only (iii) is correct. D. None of the above is correct.
What number is 17% of 90?
Fill in the blank(s) with the appropriate word(s).
Evaluate the absolute value expression.
A. 0
B. - 
C. 
D. 