5. Write the recursive formula for the following arithmetic sequence 1.5, 4, 6.5, 9.. A.
a = a + 2.5
n n-1
a
C. a, = 1.533 + 2.5(n-1)
D. a, = a. + 1.5
B.
a = 1.5(2.5)*
n-1

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer