Determine the derivatives of g(x)=-3x at any point by using first principle

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet.what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet

Factor the gcf out of the polynomial 9x^6+6x^4+15x^3