Answer:
c
Step-by-step explanation:
15 Δ 25
20
15 + 20 = 35 (I did this because the two <u><em>smallest</em></u> numbers added together need to be grater than the side with the biggest number.)
35 <u>></u> 25
<em>(I hope this helps you now.)</em>
f(3) = 10
f(x)=-x^2+19
Let x= 3
f(x)=- (3)^2+19
= -9 + 19
= 10
¡¡¡¡¡??what !!!!!!! sorry
15%
