Question

F(x) = 5x + 2 find f(-3)

Answer 1

Hey there !!

Given ,
=) F(x) =5x + 2

so F(-3) is obtained by putting x= -3 in place of x .

=)F(-3) = 5(-3) +2 = -15 +2 = -13 ans..

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hope it will help u

Answer 2

Ok, So what you are going to do here is replace. the x's with -3. 

f(-3) = 5(-3) + 2
= -15 + 2 
= -13