The functions f(x)=√x^2+12x+36 and g(x)=x^3-12 are defined below. which expression is equal to f(x) · g(x)? a. x^4-6x^3-12x+72 b. x^4-12x^3+6x-72 c. x^4+6x^3-12x-72 d. 7x^3-12x-72

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.