Seudónimo Seudónimo

24-03-2017
Mathematics

contestada

Using the rule y = 2x + 3, find the value of y when x is 3.
A) 0
B) 8
C) 9
D) 12

Respuesta :

garydesir1 garydesir1

24-03-2017

Hi there.

Y = 2x + 3
Solve for y when x = 3
The first thing we need to do is replace x by the 3 in the equation.
Y = 2(3) + 3
Y = 6 + 3
Y = 9
Thus, your answer is : C

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