The function f(x) varies directly with x and f(x) = 56 when x = 8

evaluate f(x) when x = 2
a. 4 b. 7 c. 8 d. 14

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

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.

What is the perimeter of a rectangle if the length is 5 and the width is x?