What is the relationship and what the relationship represents? I WILL MARK BRAINLIEST FOR THE FIRST 3 PEOPLE THAT ANSWER!

The graph below could be the graph of which exponential function?

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.