Determine all values of x, (if any), at which the graph of the function has a horizontal tangent.
?
?
A. 
and 
B. 
C. 
and
D. 
E. The graph has no horizontal tangents.
Answer: E
Mathematics
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Solve the problem.Find the point on the line 
that is closest to the origin.
A. 
B. 
C. 
D. 
Mathematics
Use a tree diagram to answer the question.A family has 4 children. Using a tree diagram that shows how many ways the children could have been born, from first born to last born, determine how many ways the family could have had 2 boys and 2 girls.
A. 8 B. 1 C. 5 D. 6
Mathematics
Perform the indicated operation(s). Simplify if possible.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics