Х 8. Let f and g be the functions defined by
f(x) = sin x and g(x) = cos x. For which of
the following values of a is the line tangent to
the graph of f at x = a parallel to the line
tangent to the graph of g at r= a ?

How many sides does a regular polygon have if each exterior angle measures 72a.3b.4c.5d.6

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?