letty66
letty66 letty66
  • 14-12-2022
  • Mathematics
contestada

Determine which of the following expressions is a function of x.
a. x² + y² = 7
b. f(x) = +√2x + 7
c. f(x) = x3 – 5x+3
d. x = |5y|
e. x = cos (y)​

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