What is the derivative of $${2^{{{(\sin x)}^2}}}$$ with respect to sin x?

Let $$f(x) = {x^2} + 2x - 5$$ and $$g(x) = 5x + 30$$. If $$h(x) = 5f(x) - xg(x)$$, then what is the derivative of h(x)?

Read the following information and answer the two items that follow :

Consider the equation x^y = e^{x $$-$$ y}

What is $${{dy} \over {dx}}$$ at x = 1 equal to ?

Read the following information and answer the two items that follow :

Consider the equation x^y = e^{x $$-$$ y}

What is $${{{d^2}y} \over {d{x^2}}}$$ at x = 1 equal to ?