What is f(2) if the linearization of f(x) at a = 2 is l(x) = 12x + 4?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

How many terms does the polynomial x^2 y^2 have