Which set of numbers is ordered from least to greatest? ?

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Nine more than four times a number is the same as one less than twice the number. find the number?

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%