- #1
fonseh
- 529
- 2
Homework Statement
In the first photo , interval [-2 ,2 ] means a = -2 , b = 2 , am i right ?
So , how to show that b-a = 1 ?
Homework Equations
The Attempt at a Solution
IMO , b-a = 2+ 2 = 4
for part b , why b - a = -1-(-2) ?
Is there anything wrong with this question ?