Let a function f (x) = x² + 1
Find f (4):

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Step-by-step explanation:

F(x)= x² +1

answer: 59

step-by-step explanation:

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540