SOLUTION: Given the function f described by f(x)=12x, find each of the following. (a) f(-6) (b) f(6) (c) f(21) f(-6)=___?

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Question 609174: Given the function f described by f(x)=12x, find each of the following.
(a) f(-6)
(b) f(6)
(c) f(21)
f(-6)=___?
Found 2 solutions by solver91311, ewatrrr:
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


Take whatever is inside the parentheses and put it in place of , then do the arithmetic.



So







See?

John

My calculator said it, I believe it, that settles it
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Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 

Hi

  f(x)=12x

 (a) f(-6) = 12·-6 = -72   ||Idea is to simply replace x with value given

 (b) f(6) = 12·6  = 72

 (c) f(21) = = 12·21 = 252

  

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