Question #N881

If $y = 2x + 1$ and $x = 3$, what is the value of *y*?
A. 4
B. 5
C. 6
D. 7

Correct Answer is: D

Substituting *x* = 3 into the equation *y* = 2*x* + 1, we get *y* = 2(3) + 1, or *y* = 6 + 1, or *y* = 7.