Find f'(x) for the following function. Then find f'(6), f'(0), f'(-9) f(x)=8x squared - 7x

Can any one explain how to work this step by step

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?