1. Given that f(x) = x2 – 2x – 15, a. Find the coordinates of the y-intercept

b. Find the coordinates of the x-intercepts

C. Find the coordinates of the vertex

d. Use the above information to sketch a graph of f(x)

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.