An = an – 1 – 8; a1 = 5 Which sequence does this formula represent?

A.
–8, –40, –200, . . .
B.
–8, –3, 2, . . .
C.
5, –40, –320, . . .
D.
5, –3, –11, . . .

Answer: the correct answer is 10step-by-step explanation: let the number be n, then the expression becomes,then“twelve more than the quotient of a number and two, decreased by four” iswhen n=4,we substitute 4 whetever we see n to get,we simplify to obtain,we further simplify to get,therefore the correct answer is c.