Answer:
Hey there!
The first graph is the correct answer. A point on the parabola is equally far from the focus as it is to the directrix.
Let me know if this helps :)
Step-by-step explanation:
Initial investment was when x=0, when no change had occured
c(0)=7(0)^2-6(0)+5
c(0)=5
this is in thousands
5*1000=5000
answer is $5000 is initial
Make an equation
6p + p = 28
Combine like terms
7p = 28
Divide
p = 4
Solution: p = 4
