Which of the following equations could represent a cosine function with amplitude 3, period , and a phase shift of ?

Solve this polynomial by factoring if it is factorable:

True or false: for a quadratic function of form ax2 + bx + c = 0, if the discriminant b2 - 4ac = 0, there is exactly one real root.

Find the zeros of the function .

Which of the following functions is represented by this graph?

Find the distance from point to the line .

Is the following function symmetrical about the y axis (is it an even function)?

Is the following function symmetrical about the y axis (is it an even function)?

Find the zeros of the function .

Solve this polynomial by factoring if it is factorable: