Needs help fast please and thanks

Suppose that x and y are both differentiable functions of t and are related by the given equation. use implicit differentiation with respect to t to determine startfraction dy over dt endfraction in terms of x, y, and startfraction dx over dt endfraction .

Can someone me and plz do the problem

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.