[tex]\rule{50}{1}\large\textsf{\textbf{\underline{Question:-}}}\rule{50}{1}[/tex]
Given f(x)=-x+5, find f(-3).
[tex]\rule{50}{1}\large\textsf{\textbf{\underline{Answer and how to solve:-}}}\rule{50}{1}[/tex]
We have the function
[tex]\longmapsto\sf{f(x)=-x+5}[/tex]
We need to find
[tex]\longmapsto\sf{f(-3)=}[/tex]
[tex]\longmapsto\sf{f(x)=-(-3)+5}[/tex]
Simplifying,
[tex]\longmapsto\sf{f(x)=3+5}[/tex]
(which is the exact same thing as 5-3)
Henceforth, We conclude that the answer is
[tex]\longmapsto\sf{f(-3)=8}[/tex]
#TogetherWeGoFar ~
[tex]\rule{300}{1}[/tex]
Hey there!
Find f(-3) :
f(-3) = 8 ✅
f(x) = -x + 5
>> Substitute -3 for x in f(x) :
f(-3) = -(-3) + 5
f(-3) = 3 + 5
f(-3) = 8
Therefore, your answer is f(-3) = 8
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