aspenlei aspenlei

07-09-2017
Mathematics

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Given the expression,f(X)=x-3 / x^2-25 , choose the correct x coordinate of the x-intercept.
x = -5
x = -3
x = 3
x = 5

Respuesta :

Аноним Аноним

07-09-2017

The x intercept(s) occur when f(x) = 0

so we have (x - 3)( x^2 - 25) = 0

So x - 3 = zero and x = therefore = 3.

The answer is the third choice 3

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