PLEASE HELP ME IM LITERALLY BEGGING SOMEONE I HAVE AN EXAM IN 20 MINS PLEASE I WILL GIVE A BRAINLIEST this question asks to find the derivative and I can’t get the answer

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?