`f(a)` Find the value if f(x) = 3x - 4

mathwizard77 | Student

if f(x)= 3x - 4

f(a) = 3a - 4   simply replace x in the function with a

becamymica | Student

If f(x) = 3x - 4

then f(a) means replace x from function with "a"

hence f(a) = 3a - 4

kspcr111 | Student

Given

`f(x) = 3x - 4`

Now to find `f(a) => x = (a)`

so,

`f(a) = 3(a)-4`

         

so, `f(a) = 3(a)-4`

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