The degree of the polynomial function f(x) is 4. The roots of the equation f(x)=0 are −4, −1, 2 and 5.

Which graph could be the graph of f(x)?

7x+8y=-18, 4x-9y=-3 solve the system of equations

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.