Annabely023 Annabely023

24-02-2017
Mathematics

contestada

If g(x) = 2x – 5, then evaluate g(2x2 – 3)

please explain.

Respuesta :

25-02-2017

2(2x^2-3) -5
4x^2 - 6 - 5
4x^2 - 11

g(x) = 2x - 5
If you had to evaluate g(3)
You would substitute 3 in for the x and simplify. Instead of substituting a single number you are substituting the binomial
2x^2 -3 and then simplifying. I hope you understand.

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