Use the recursively defined geometric sequence a1=56 , an=4an−1 and find the common ratio.(1 point)

Responses

−23
negative Start Fraction 2 over 3 End Fraction

56
Start Fraction 5 over 6 End Fraction

103
Start Fraction 10 over 3 End Fraction

4

negative Start Fraction 2 over 3 End Fraction