Answer:
f(11) = 9
Step-by-step explanation:
f(x) = 1/4(5-x)^2
f(x) = 1/4 (5-11) ^2
f(11) = 1.25 - 2.75 ^2
A
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Answer:28
Julio's number is x
(X-13)*-3=-45
Divide by -3
X-13=15
Add13 to both sides
x=28
