Differentiating once, we have

Differentiating again,


as needed.
Answer:
Option D, 
Step-by-step explanation:
<u>Step 1: Subtract 8 from both sides
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Answer: Option D, 
3.5*(-3)///////3.5*(-3)//////all of this parts same
Answer:
(4.25, - 1.75)
Step-by-step explanation:
Under a reflection in the y- axis
a point (x, y ) → (- x, y ), thus
(- 4.25, - 1.75 ) → (4.25, - 1.75 ) ← original point
-5 + n = -15
-15 + 5 = n
-10 = n