1. For the polynomial function, f(x)=2x³18x (a) Find the x-intercept(s) (enter as coordinates separated by commas): ____, (b) Find the y-intercept (enter as a coordinate):______, (c) Find the interval(s) where the value of the function is positive.________, (d) Find the interval(s) where the value of the function is negative ______.

2. For the polynomial function, f(x)=(x+4)(x2)(x+5), (a) Find the x-intercept(s) (enter as coordinates separated by commas): _______, (b) Find the y-intercept (enter as a coordinate):_______, (c) Find the interval(s) where the value of the function is positive ________. (d) Find the interval(s) where the value of the function is negative ______.

3. For the polynomial function, f(x)=(x²9)(x5)(x4). (a) Find the x-intercept(s) (enter as coordinates separated by commas) ________: (b) Find the y-intercept (enter as a coordinate) ______: (c) Find the interval(s) where the value of the function is positive. _____, (d) Find the interval(s) where the value of the function is negative. ________,

4. Find an equation with a solution of x=3 of multiplicity 1, and a solution of x=1 of multiplicity 2. Write answer in standard form. Equation: _______.

5. Find an equation that has solutions x=2 and x=2 both of multiplicity 2. Write answer in standard form. Equation: ______

6. A rectangular solid has height h and a square base. One side of the square base is 4 inches greater than the height. (a) Find an expression for the volume in terms of h._______, (b) For what values of h does the volume function make sense? Answer in interval notation. ______.