HELP!!! What are the coordinates of the point on the directed line segment from (−1,1) to (8,10) that partitions the segment into a ratio of 2 to 1?

Given the graph below state whether or not the relation is a function, and give the domain and range.

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Let f(x)=2x and g(x)=2x. graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ?me asap