Given the function $\displaystyle {P}{\left({x}\right)}={\left({x}-{3}\right)}{\left({x}+{4}\right)}$, find
its $\displaystyle {y}$-intercept is

Preview Question 6 Part 1 of 5  

its $\displaystyle {x}$-intercepts are

$\displaystyle {x}_{{1}}=$ Preview Question 6 Part 2 of 5   and

$\displaystyle {x}_{{2}}=$ Preview Question 6 Part 3 of 5   with $\displaystyle {x}_{{1}}\le{x}_{{2}}$

When $\displaystyle {x}\to-\infty$, $\displaystyle {y}\to$ $\displaystyle$ (up or down)
When $\displaystyle {x}\to\infty$, $\displaystyle {y}\to$ $\displaystyle$ (up or down)