the function f is defined by f(x)= 3x-4cos(2x+1), and it derivative is f'(x) = 3+ 8sin(2x+1). what are all the values of x that satisfy the conclusion of the mean value theorem applied to f on the interval [-1,2].

Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth