SOLUTION: Decide whether the following equation defines y as a function of x. y=17sqrt x a) Yes, because each value of y leads to a unique value of x b) No, because for some values of

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Question 1007766: Decide whether the following equation defines y as a function of x.
y=17sqrt x
a) Yes, because each value of y leads to a unique value of x
b) No, because for some values of x there are two values of y
c) No, because for some values of x there is no value of y
d) Yes, because each value of x leads to a unique value of y

Answer by fractalier(6550)   (Show Source): You can put this solution on YOUR website!
Choice d. That is essentially the definition of a function. This particular one is only defined for x >= 0 though.
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