Question

Determine the value of y, if x is 7.
y = x2 - 1

Answer 1

13 because if you plug in 7 y=7(2)-1 then do 7x2 and then it would be 14-1 so 13

Answer 2

13

Explanation:

If x is 7, then 7 * 2 = 13, and 14 - 1 = 13.

Hope that this helps!