Answer:
Step-by-step explanation:
number 2
No because if you do -5+10= it equals positive 5 and not a negative number.
Remove the radical by raising each side to the index of the radical.
x > 29/4
Answer:

Step-by-step explanation:
Step 1: Write out limit

Step 2: Evaluate
(2 + 1)(3(2)² - 9)
3(3(4) - 9)
3(12 - 9)
3(3)
9