Consider the function f(x) = 2 x^3 4 x^2 15, and let c be a number in the interval [0,1]. for what values of k is there a c in this interval such that f(c) = k?

You’re ordering more thread for blue jeans co. you usually purchase from ted’s threads, which sells 12 thread spools for $27. you recently received a notice from wade's wares that says you can buy thread from them for $2.30 each for the first 2 dozen and $2 a spool thereafter. you need to order 5 dozen spools. what percentage can you save by going with wade’s wares?