Question

If y ( x ) = 4 x , what is x when y ( x ) = 4?

1
4
2
0

Answer 1

y(x)=4 so substitute y(x) for 4 \[\large\rm \color{reD}{y(x)}=4x\]\[\large\rm \color{reD}{4}=4x\]now solve for x

Answer 2

thanks

Answer 3

yw