<span>{(–1, 3), (5, 3), (–6, 7), (9, 0)} is the correct answer.
I hope this helped!
</span>
Answer:

Step-by-step explanation:
simplify

to

then
-0.05 × 120 = -6
then we have our answer
-6√2
Part A: 5 is the coefficient, w is the variable, 50 is the constant
Part B: 10 x 5 = 50 + 2 x 20 = 40+ 50 = $140
Part C: the constant,50,would change and become 85. Hope this helps :)
The workings to the answers are in the attachments below. Open them up in a new window to see them in full.
Lowest Point On The Graph:
(4.480878208, -61.32441280)
Highest Point On The Graph:
(1.155422854, 17.23818241)
2nd Lowest Point On The Graph:
(-0.3863010618, 7.23076164)