Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
Method 1:
Arithmetic sequence is in the form
d is the common difference, can be found by:
Subtituting the and
You get:
Method 2 (Mathematical induction):
Assume it is in form
Base step:
Inducive hypophesis:
GIven:
Proved by mathematical induction
Answer:
i think D
Step-by-step explanation:
Answer:
Min
Step-by-step explanation:
To check if it has a max or min, you must reference the a value. The a value in this case is 2, and that is positive. Positive parabolas point up, so they can only have a minimum point.