Two times the difference between five and an unknown quantity
Y=-4x-3
Since you are looking for the y intercept you fill in the equation with what you do have
5=-4(-2)+b then you solve which lead you to -3 as your y intercept
The answer is b because you at doubling each year
The multiples of 11 are 22, 33, 44, 55, 66, 77, 88, 99, 110, 121, 132, 143, 154...