The test is timed please help thank u :)

Average acceleration: i have no idea how to do this.

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Pleting the square f the given find the x-intercepts of the parabola with vertex (-5,13) and y-intercept (0, 12). write your answer in this form: (14,.99). if necessary, round to the nearest hundredth. *- h enter the correct answer, de verter, and ametry 00000 done doo