Consider the function f(x) = (9- x2)/(x2-4)

For which intervals is f(x) positive? Check all that apply.
(-infinity, -3)
(-3,-2)
(-2, 2)
(2,3)
(infinity, 3)

Alawn mower manufacturer incurs a total of 34,816 in overhead costs and 388 per lawn mower in production costs. how many lawn mowers were manufactured if the average cost of productions is 660

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Can someone answer this question? : )