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  1. H

    Pre calc help pls, translating words into functions, giving domain?

    Translate the words into a function and give the domain. Express the distance from a point (x,y) on the grapth of y=4-x^2 to the point (0,1) as a function of x.
  2. H

    Pre-calc help plz, determining one-to-one?

    determine whether the piecewise-defined function is one-to-one f(x)={x^2+x, x<0 ____{x^2-x, x>=0 sorry the underscores just mean space, and the { just mean one big braket.
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