Question

Which table shows a set of preferred pairs that satisfies the equation shown? Y = 0.1x + 1

Answer 1

y = 0.1x + 1
If you substitute in the x-value -10, you get:
y = 0.1(-10) + 1
y = -1 + 1
y = 0
This means both tables A and D are incorrect.

If you substitute in the x-value -1, you get:
y = 0.1(-1) + 1
y = -0.1 + 1
y = 0.9
This means table C is incorrect.

So, table B has to be the one that represents the function and you can test it and you will see that this is correct.