Find the measure of angle b

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Which table represents points on the graph of h(x) = 3√-x+2?

Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function