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anonymous
 one year ago
ok this is another one I have no clue how to do .....well I think I just dont know what format to use
If f(x) = 2x2  30, find f(4).
anonymous
 one year ago
ok this is another one I have no clue how to do .....well I think I just dont know what format to use If f(x) = 2x2  30, find f(4).

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Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1f(4) just means plug in 4 for x and solve for f(x)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Im sorry but I am already confused .... does that mean that I just multiply 4?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1f(x) = 2x^2  30, right? just substitute 4 for x into the equation

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1replace "x" with 4 and solve

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok so this is the equation I should be solving f(4)=2(4)squared 30?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I got 2 and that is one of my options is that right?
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