What is the image point of (4, -6) after the transformation R90° o ry=z?

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 .

These question are hard can you me with answers

What are the exclude value of mn+3m