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Which sequence could be partially defined by the recursive formula f (n + 1) = f(n) + 2.5 for n ≥ 1?

a. 2.5, 6.25, 15.625, 39.0625, …

b. 2.5, 5, 10, 20

c. –10, –7.5, –5, –2.5, …

d. –10, –25, 62.5, 156.25

2 Answers

4 votes

Answer:

C

Explanation:

Got it correct, Edge2020

User Ndeye
by
6.6k points
3 votes
Hello,

Answer is C

-10+2.5=-7.5
-7.5+2.5=-5
-5+2.5=-2.5
-2.5+2.5=0

User Chry Cheng
by
6.6k points
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