Problem:
Evaluate the function $f(x)=-\tan \left(7 x+\frac{9}{2}\right)$ at the point $x=-3$
Answer:
$\tan \left(\frac{33}{2}\right) = 1.013$
{'source': 'AMPS', 'file': 'amps/mathematica/algebra/function_evaluation/8777.txt'}