there is a patch of lily pads on a lake every day the patch doubles in size if the patch has 200 lily pads how long ago did it have 100

Acircle has the equation (x-2)^2 +y^2 =5. what are the coordinates of the circle's center?

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?