match the equation with its graph. [The graphs are labeled (a), (b), (c), and (d).
$y=\sqrt{9-x^{2}}$
match the equation with its graph. [The graphs are labeled (a), (b), (c), and (d).$y=x^{3}-x$
Sketching a Graph by Point Plotting In Exercises $7-16,$ sketch the graph of the equation by point plotting.$y=|x+1|$
Finding Intercepts In Exercises $19-28,$ find any intercepts.$x^{2} y-x^{2}+4 y=0$
Testing for Symmetry In Exercises $29-40$ , test for symmetry with respect to each axis and to the origin.
$y=x^{2}-6$
Testing for Symmetry In Exercises $29-40$ , test for symmetry with respect to each axis and to the origin.$y=9 x-x^{2}$
