Sketch the graph of the function. Label at least three points.f(x) = x2

A.

B.

C.

D.


Answer: A

Mathematics

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Find a value of a so that f is continuous at c, or indicate this is impossible.Let f(x) = (sin x)x, x ?0. Extend the definition of f to x = 0 so that the extended function is continuous there.

A. f(x) =  
B. f(x) =  
C. f(x) =  
D. f(x) =  

Mathematics

Evaluate the improper integral or state that it is divergent. 

A. 9 ln 2
B. 9 ln 
C.  2
D. 9 ln 

Mathematics

Simplify the expression.

A.
B. - 
C. - 
D.

Mathematics

Perform the indicated operation.-4 ? 19

A. -72 B. 72 C. -95 D. -76

Mathematics