Me i'll give you 60 points if you me and if it's the right answer

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f(-3) = -4

Step-by-step explanation:

just using the calculator replace x by -3

f(-3) = 4(-4-(-3)) = 4(-4+3) = 4×(-1) = -4.

:)

-4

Step-by-step explanation:

How you start the equation is by plugging  -3 into both of the x's in the problem to make it:

f(-3) =  4(-4 - (-3))

f(-3) = 4(-4 + 3)

f(-3) = 4(-1)

f(-3) = -4

The answer would be written as:

f(-3) = -4

I hope this helps!