From the given function, the one with greatest x-intercept is f(x ) = 3x - 9
Intercept of a function
The x-intercept of a function is the point where the value of y is 0
Given the following functions
f(x ) = 3x - 9
3x - 9 =0
3x = 9
x = 3
For the function g(x) = x + 3, the x-intercept is -3
From the given function, the one with greatest x-intercept is f(x ) = 3x - 9
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