Which of the following is a parent function? A. f(x) = e^x
B. f(x) = x^4 +3
C. f(x) = 2•3^x
D. f(x) = 2e^2x

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?