Answer:
C. is awnser
Step-by-step explanation:
Can I have brainliest * if wrong then D
Answer: 
<u>Explanation:</u>
y varies directly with x means:
; where k is the rate
The answer is B. 7 times a number plus 4 would be 7n +4.
The general vertex form equation of the parabola is

The Axis of Symmetry is given by
x=h
For the given equation the Equation of the Axis of symmetry for the parabola y=1/2(x-3)^2+5 as x=3.