Precal
posted by Deb .
1. Determine whether 9x+11y^33=7x^2 defines y as a function of x. Please show all of your work. (Points : 5)

11y^3 = 9x  7x^2
y^3 = (9x7x^2)/11
y = ( (9x7x^2)/11 )^(1/3)
for every x I choose, there is one and only one value of y
so yes, it is a function
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