If a polynomial function f(x) has roots -4, 2, 1, and square root 11 what must also be a root of f(x)? 1. -square root 11
2. -2
3. -1
4. 4

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

Simplify. −4x^2 (5x^4−3x^2+x−2) −20x^6−12x^4+8x^3−8x^2 −20x^6+12x^4−4x^3+8x^2 −20x^8+12x^4−4x^2+8x −20x^6+12x^4+4x^3−8x^2