Find the absolute maximum and minimum values of function f on the set D f(x, y) = e^-x^2-y^2()x^2+2y^2; D is the disk x^2+y^2<=4

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z

Evan went to the park and saw for animals each animal was either a duck or dog if he saw a total of 14 legs how many of each animal did he see