Pls help I will give brainliest

Tina practice piano for 15 hours last month and 45 hours this month use multiplication to write a statement comparing me i was tina practice during the two months use addition to write a statement comparing the hours tina practice during the two months

Consider the graph of the exponential function y=3(2)×

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.