Which of the following is a one-to-one function?

A. y=[x]

B. f (x) = {5x-1: x (or equal to) - 2

C. y = IxI

D. f (x) = {4:x<0 5:0< (or equal to) x2

I think it's a but i'm really not positive

Which kind of function best models the data in the table? Graph the data and write an equation to model the data. x | y 0 | - 1 1 | - 2 2 | - 3 3 | - 4 4 | - 5 A. linear; y = x - 1 B. linear; y = - x - 1 C. exponential; y = 3^x - 1 D.

9.45 is greater or less than 9.449

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Two x what gets seventy

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Consider the equation x^2=36