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ashleyb
 2 years ago
a function is defined as f(x)= 8x^2. what is f(3)?
ashleyb
 2 years ago
a function is defined as f(x)= 8x^2. what is f(3)?

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jim_thompson5910
 2 years ago
Best ResponseYou've already chosen the best response.1replace each x with 3 and evaluate

jim_thompson5910
 2 years ago
Best ResponseYou've already chosen the best response.1f(x)= 8x^2 f(3)= 8(3)^2 f(3) = ???

jim_thompson5910
 2 years ago
Best ResponseYou've already chosen the best response.1you first square 3 to get 9 THEN you multiply you don't multiply 8 and 3 to get 24 and square it to get 576

jim_thompson5910
 2 years ago
Best ResponseYou've already chosen the best response.1PEMDAS says that you evaluate exponents first, then multiplication comes next
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