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Differentiate. Type the numerator of the derivative in the  first box and the denominator in second box.  Use ^ for the power.  Simplify completely.

The bus is fairly crowded when you get on. You quickly decide to sit next to a well-dressed senior citizen because you think that he’ll probably leave you alone. This example illustrates the process of:

Which of the following is NOT a symptom of posttraumatic stress disorder?

List the points in the graph  at which the function is not differentiable. Separate, if needed, your answers by commas and list them in increasing order. For instance, x1,x2,x3. 

Find   .

Behavior that is motivated by the desire to gain social acceptance and approval is referred to as:

The branch of psychology that studies how people think, feel, and behave in social situations is called:

Every year in the United States, approximately _____ Americans are treated for schizophrenia.

_____ is any behavior that helps another person, whether the underlying motive is self-serving or selfless.

Find the point(s) on the graph at which the tangent line is horizontal. If none exist, type none.  Separate your answers with commas if needed. No spaces. Format of the answer: the point notation for each answer (x,y). For example, (6,-1),(2,8).