What type of function is represented by f(x) = -x+4,x<_4/x-4,x>4 Greatest integer function, step function, absolute value function?

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}

Evaluate the following expression 1/3^2

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