PROBLEM 1: (15%) In the following graph, three learning curves have been represented. The learning rates are 90%, 80% and 70%. Indicate which is the curve that represents a 70% learning rate and calculate page 2 of 4 | template version MMXX.01 approximately the time spent in making a 7th system since the Y-axis indicates the value of N powered to the coefficient b and X-axis the number of units repeated. 0.8 0.6 0.4 0.2 1 2 9 10 11 12 13 14 15 16 17 18 19 20