Question

Convert the recursive form a1=3, an=−2an−1
to the explicit form. (1 point)
Responses

an=3(−2)n
A sub n is equal to 3 times negative 2 to the n th power

an=3(−2)n−1
A sub n is equal to 3 times negative 2 raised to the n minus 1 power

an=−2(3)n−1
A sub n is equal to negative 2 times 3 raised to the n minus 1 power

an=−2(3)n+1

Answer 1

A sub n is equal to negative 2 times 3 raised to the n plus 1 power