Tracy has a cell phone plan that provides 250 free minutes each month for a flat rate of 29$. for any minutes over 250 tracy us charged 0.35$ per minute. which of the following picewise functions represents charges based on tracy’s cell phone plane?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

(x-5)1/2+5=2 what is possible solution of this equation

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