Find the absolute maximum and minimum of the function f(x, y) = x^2 + y^2 subject to the constraint x^4 + y^4 = 81. as usual, ignore unneeded answer blanks, and list points in lexicographic order.

Given: and prove: what is the missing reason in the proof? given transitive property alternate interior angles theorem converse alternate interior angles theorem

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers