Find the average rate of change of = f(x)= 2x^2-8x from x = 2 to x = 6 . simplify your answer as much as possible.

Two different linear functions are shown below with two points given from each function. use slope-intercept form or point-slope form to find the equation of each. linear function a points: (–5, –2), (–5, 7) linear function b points: (7, –5), (–2, –5) function a has: the equation of line a is: function b has: the equation of line b is:

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x