Given the function $\displaystyle {P}{\left({x}\right)}={\left({x}-{1}\right)}{\left({x}-{5}\right)}{\left({6}{x}+{7}\right)}$

Its $\displaystyle {y}$-intercept is 

Its $\displaystyle {x}$-intercept(s) is/are  Preview Question 6 Part 2 of 4  

When $\displaystyle {x}\to\infty$, $\displaystyle {y}\to$ ? -∞ ∞

When $\displaystyle {x}\to-\infty$, $\displaystyle {y}\to$ ? -∞ ∞