The discriminant of a quadratic equation is the value b2 – 4ac. what is the value of the discriminant of 0 = –2x2 + 6x + 13?

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Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.