191k views
4 votes
What is the largest value in the sequence generated by the formula an = –n2 + 6n – 7?

A. 1
B. 2
C. 3
D. 4

User Yngwaz
by
8.6k points

2 Answers

4 votes

Answer:

B

Explanation:

User Nafeo Alam
by
7.7k points
4 votes
Derive the equation and equate the derivative to zero.
dan/dt = -2n + 6 = 0
The value of n in the equation is 3. We substitute 3 to the original equation,
an = -(3)² + 6(3) - 7 = 2
The answer to this item is letter B.
User Matthew Moss
by
8.5k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories