8. Which of the quadratic functions has the narrowest graph?

A. y = 1/9x2

B. y = –x2

C. y = 1/4x2

D. y = 4x2

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.