Answer:
C
Step-by-step explanation:
We know it's direct variation using the direct variation equation.

Where k is the constant.
Since 7 times x is the y values, 
Now we can substitute 7 into k of the direct variation equation.

The answer is a² + 6. "Sum of a squared and 6" means you square a value and then add 6 to it.
Answer:
3/4
Step-by-step explanation: