Answer:
See attached graph
Step-by-step explanation:
F(x)= -8x²
f(-3)= -8* (-3)²
f(-3)= -8 * 9
f(-3)= -72
i)50
<u>Steps</u>
30+20=50
ii)7
<u>Steps</u>
75-(30+20)-18
=75-(50)-18
=7
iii)20
<u>Steps</u>
From the available data from the question
iv)30
<u>Steps</u>
From the available data from the questionl
v)From the attcged image file
The answer is C. Opposite sides have the exact same slope, and the shape is a quadrilateral.