Which of the following functions are quadratic functions? (select all that apply.) a. f(x) = 2x − 4 b. f(x) = 3 − x2 c. f(x) = 3x2 − x − 6 d. f(x) = 3 x2

Amonument at a park is in the shape of a right square pyramid. a diagram of the pyramid and its net are shown. what is the surface area of the monument? enter the answer in the box. m²

Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?