Only A is a function because it is the only one with just one input for every output. Function B has 4 in the x position twice.
Answer:
Step-by-step explanation:
f(3)=-5(x+5)
=5(3) +5
=15+5
f(3) =20
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Answer:
(3,0)
Step-by-step explanation:
The axis of symmetry is midway between the roots
