Point A shows that she is incorrect.
With functions, you can perform the "straight line test through each point. If the line goes through both points, you know it's not a function.
If we plotted point A, it'd fail the straight line test because the given point (-6, 7) already has -6 as an x value.
Hope this helps!
The answer is C. y= 3/2 x. You can check by multiplying 3/2 by 3, if you get 7, it is correct
For easier calculation,
convert 4years 8months into months. This would give you 56months.
Amit is 56months old.
4 units/proportion =56
1 unit=56/4
5unit=56/4 ×5(simplify)

The formula of the sum of a geometric sequence:

We have:

substitute:

Answer: C. -5460