- Find af/ax (7, -8) if (x,y) = 7x^2 +5xy-6y^2+4x-2y-6?

Discover Questions

Relationship between an atom that has 12 protons, 12 neutrons, and 12 electrons and one that has 12 protons, 13 neutrons, and 12 electrons? What is the enthalpy change for the first reaction?
Fe2O3(s) → 2Fe(s) + 3/2O2(g) ΔH = 4Fe(s) + 3O2(g) → 2Fe2O3 (s) ΔH = -1,648 kJ? What is the domain and range for the function: g(x)=-1/2f(x/4)+2? How does discordant occur? A ball is swung in a vertical motion. Is the difference between the tensions at top and bottom of swing dependent on speed?