ew10333 ew10333

11-04-2017
Mathematics

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If f(x) = 3x - 10, which expression represents f(2x + 3)?
A) 2x - 1
B) 6x + 19
C) 6x + 1
D) 6x - 1

Respuesta :

icecreamfool10 icecreamfool10

17-04-2017

You just have to put 2x + 3 in wherever there is an x.
So, f(2x+3)=3(2x+3)-10
=6x+9-10
=6x-1
The answer is D

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