Astatement sn about the positive integers is given. write statements s1, s2, and s3, and show that each of these statements is true. show your work. sn: 1^2 + 4^2 + 7^2 + . . + (3n - 2)^2 = n(6n^2-3n-1 / 2

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.

Rewrite the polynomial -9x5 + 36x4 + 189x3 in factored form.

If the average of x,y and z is 15 what is their sum