Which function is the inverse of f(x)=b^x

For what values of x is x2 + 2x = 24 true?

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

Factor the polynomial by its greatest common monomial factor.