Write your answers and work on separate sheets of paper. show all work. 1. find all critical points of the given function and at each critical point determine whether the function has a relative max, relative min, or saddle point. a) f(x, y)=2.2-6: ry + y2-2x + 6y b) f(, y) 42-4y 5y2-410y 2. use the method of lagrange multipliers to find the maximum value of f(x, y) = ry, subject to the constraint 2.2 + 4y2-2.

the equation for this situation is y=122+45. to solve the equation you would add 45 and 122 to get a total of 167lbs. in conclusion, grace's weight eight weeks ago was 167lbs.  

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.

the answer is 11.2 (i know i’m late)