Describe the graph of y= -x² and compare it with the graph of y=x² ? please !

Let f(x) = x+3 and g(x) = 1/x the graph of (fog)(x) is shown below what is the range of (fog)(x)?

Rewrite the polynomial -9x5 + 36x4 + 189x3 in factored form.

Milk and ice cream are mixed together for a recipe. the total volume of the mixture is 1 cup. if the milk contains 2% fat, the cream contains 18% fat ,and the mixture contains 6% fat ,how much cream is in the mixture