Given f(x)= x2 what is the average rate of change in f(x) over the interval [1,5]

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.