Help me find the end behavior, zeros, y intercept, and sketch please f(x)=x^4-6x^3+7x^2+6x-8

Let the closed interval [a , b] be the domain of function f. the domain of f(x - 3) is given by (a) the open interval (a , b) (b) the closed interval [a , b] (c) the closed interval [a - 3 , b - 3] (d) the closed interval [a + 3 , b + 3]

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

For what values of x is x2 + 2x = 24 true?