The gradient function of a cough is kx^2-mx, where k and m are constant. The curve has a turning point at (4,-5). The gradient of the tangent to the curve at the point x=-2 is 9​

Restrictions on f(x) = 1/x+5 and g(x) = x-2

What describes horizontal cross section of the right rectangle 6m 8m 5m

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%