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Andrewisbadatmath
Group Title
Consider the functions f(x) = 2(x − 9) and g(x) = 4x. What is the value of (f − g)(5)?
12
28
20
−28
 one year ago
 one year ago
Andrewisbadatmath Group Title
Consider the functions f(x) = 2(x − 9) and g(x) = 4x. What is the value of (f − g)(5)? 12 28 20 −28
 one year ago
 one year ago

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ZeHanz Group TitleBest ResponseYou've already chosen the best response.2
Just remember: (fg)(5)=f(5)g(5)
 one year ago

Andrewisbadatmath Group TitleBest ResponseYou've already chosen the best response.0
So what do i plug in?
 one year ago

ZeHanz Group TitleBest ResponseYou've already chosen the best response.2
Plug in 5 in both of the functions and subtract the outcomes.
 one year ago

Andrewisbadatmath Group TitleBest ResponseYou've already chosen the best response.0
so, f(5) = 2(59) and g(5)=4 times 5?
 one year ago

Andrewisbadatmath Group TitleBest ResponseYou've already chosen the best response.0
now i am confused
 one year ago

dpaInc Group TitleBest ResponseYou've already chosen the best response.0
simplify f(5) = ??? g(5) = ???
 one year ago

dpaInc Group TitleBest ResponseYou've already chosen the best response.0
you got it right earlier... just need to simplify....
 one year ago

Andrewisbadatmath Group TitleBest ResponseYou've already chosen the best response.0
ohhh...
 one year ago

ZeHanz Group TitleBest ResponseYou've already chosen the best response.2
@Andrewisbadatmath: right, and if you've found f(5) and g(5), you calculate their difference: f(5)  g(5)
 one year ago

Andrewisbadatmath Group TitleBest ResponseYou've already chosen the best response.0
ok thank you
 one year ago

Andrewisbadatmath Group TitleBest ResponseYou've already chosen the best response.0
so it is 12?
 one year ago

Andrewisbadatmath Group TitleBest ResponseYou've already chosen the best response.0
no i meant 12
 one year ago

ZeHanz Group TitleBest ResponseYou've already chosen the best response.2
f(5) = 2(59) = 2*(4)=... g(5) = 4*5 = ... f(5)  g(5) = ... (not 12)
 one year ago

ZeHanz Group TitleBest ResponseYou've already chosen the best response.2
You will get 8  20 = ...
 one year ago
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