Joyti cuts a 21 m long rope into pieces of 7/2 m length each. How many pieces of the rope did she get

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 .

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]