it is 4.7 because anything using 5 to round automatically bumps the number before up
The Lagrangian is
with critical points where the partial derivatives vanish.
Substitute 
into the last equation and solve for 
:
Then we get two critical points,
We get an absolute maximum of 
at the second point, and an absolute minimum of 
at the first point.
Answer: B. -138
Step-by-step explanation:
For Negative numbers, the largest number is the least. I. This case, -138 is the least.
Hope it helps!
Answer:
A ≈ 3420 cm²
Step-by-step explanation:
The area (A) of a circle is calculated as
A = πr² ( r is the radius ) , then
A = π × 33² = 1089π ≈ 3420 cm² ( to 3 significant figures )
