Question

What is the value of the following(Please show work)

3x- 1 when x=2
2x - 3+4x when x=-1
Y^2- 6y= 9 when y = 4
Please go FAST!!

Answer 1

1) 3( 2) - 1 = 6 - 1 = 5

2) 2(-1) - 3+4(-1) = -2 -7 = -9

3) 4^2-6(4)=9 = 16-24=9, = -8=9