The value of f(-3) is -21.
Given that,
Function; f(x) = 4x-9,
We have to determine,
The value of f(-3).
According to the question,
Function; f(x) = 4x-9,
To find the value of f(-3) calculation must be done in a single unit following all the steps given below.
[tex]f(x) = 4x-9[/tex]
To find the value of f(-3), substitute x = -3 in the given function,
[tex]f (x) = 4x-9\\\\f(-3) = 4(-3)-9\\\\f(-3) = -12-9\\\\f (-3)= -21[/tex]
Hence, The required value of f(-3) is -21.
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