Please help??, math question

➷ Just substitute the value 5 into everywhere you see 'x':
3(5) + 2
Now solve:
f(5) = 17
➶ Hope This Helps You!
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For this case we have a function of the form [tex]y = f (x)[/tex], where:
[tex]f (x) = 3x + 2[/tex]
We want to find the value of "y" when [tex]x = 5[/tex], that is, [tex]f (5)[/tex]. Then, we substitute x = 5:
[tex]f (5) = 3 (5) +2\\f (5) = 15 + 2\\f (5) = 17[/tex]
Thus, the value of the function is 17 when [tex]x = 5[/tex]
Answer:
[tex]f (5) = 17[/tex]
Option C