Arelation is a function if
there is exactly one input for each output
there is exactly one output for each input
there is more than one input for each output
there is more than one output for each input

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

Aregular pan has a length that is 4/3 the width. the total area of the pan is 432in.2. what is the width of the cake pan?

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?