Answer:
a)
b) The lowest point of , is when x =
Step-by-step explanation:
a) To simplify the expression you must:
Apply Difference of Two Squares Formula:
Apply the Pythagorean Identity
From the Pythagorean Identity, we know that
Therefore,
b) According with the below graph, the lowest point of , is when x =
60
-5(2×-6)
-5(-12)
It should be correct
K, but what's the question?