SOLUTION: Find f(2) when f(x) = {{{3x^2}}}
How do i solve this? What i did was just substitute the 2 into the 3x^2 so it came out as
3 times 2^2. That gave me 12as a final answer. is this
Algebra.Com
Question 316573: Find f(2) when f(x) =
How do i solve this? What i did was just substitute the 2 into the 3x^2 so it came out as
3 times 2^2. That gave me 12as a final answer. is this correct?
Found 2 solutions by texttutoring, solver91311:
Answer by texttutoring(324) (Show Source): You can put this solution on YOUR website!
Yes, that is correct.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Absolutely 100% spot on correct.
Here's how to remember this: Forget the fact that you were taught that
is the name of a function. In point of fact,
is the name of the function whereas
is the value of the function named
when the independent variable has the value
. That should make it easy to remember that
is the value of the function named
when the value of the independent (or input) variable is
.
Super-Dooper Double Plus Extra Credit
Let
be a function defined by
. Find
expressed in simplest terms
John

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