Find the remainder when f(x) = 2x3 − 3x2 + 7x − 7 is divided by 2x − 1, and use it to determine if 2x − 1 is a factor.

−5.625; it is not a factor
−4; it is not a factor
−1.5; it is not a factor
0; it is a factor

Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?