Refer to the figures below to answer the following question.
Which of the figures is a gnomon to Figure E?
A. Figure A, Figure B, Figure D
B. Figure B, Figure D, Figure E
C. Figure B, Figure C, Figure D
D. Figure B, Figure C
E. none of these
Answer: A
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 
for r(t) = (2 sin 5t)i - (10 cos 5t)j + (9 csc 5t)k
A. a
= -50i - 225k
B. a
= 50i + 225k
C. a
= 250j + 225k
D. a
= -50i + 225k
Mathematics
Evaluate the factorial expression.
A. 
B. 
C. 
D. 
Mathematics
Use the information summarized in the table to select the graph of f.
Domain: 
Intercepts: x-intercepts: 0, 4Asymptotes: NoneIntervals where f is ? and ?:? on 
? on 
Relative extrema: Rel. min. at 
Concavity: Upward on 
Point of inflection: 
?
A. ?
B. ?
C. ?
Mathematics
Graph the function.f(x) = -x2 + 2
A. 
B. 
C. 
D. 
Mathematics