matt416760
02.10.2020 •
Mathematics
1) Select ALL the relations that ARE functions. 2) fun (Select all that apply.) Hit 2 ac 5 1 (7,5). (-5, 5), (2, 2), (3,5)} Domain Range Domain Range
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Ответ:
y = -x²
Step-by-step explanation:
The simplest quadratic I can think of is
y = -x²
It must have a maximum because as
x ⟶ -∞, y ⟶ -∞ and as
x ⟶ +∞, y ⟶ -∞.
There must be a maximum somewhere between the two extremes.