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

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ZeHanz
 2 years ago
Best ResponseYou've already chosen the best response.2Just remember: (fg)(5)=f(5)g(5)

Andrewisbadatmath
 2 years ago
Best ResponseYou've already chosen the best response.0So what do i plug in?

ZeHanz
 2 years ago
Best ResponseYou've already chosen the best response.2Plug in 5 in both of the functions and subtract the outcomes.

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

Andrewisbadatmath
 2 years ago
Best ResponseYou've already chosen the best response.0now i am confused

dpaInc
 2 years ago
Best ResponseYou've already chosen the best response.0simplify f(5) = ??? g(5) = ???

dpaInc
 2 years ago
Best ResponseYou've already chosen the best response.0you got it right earlier... just need to simplify....

ZeHanz
 2 years ago
Best 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)

Andrewisbadatmath
 2 years ago
Best ResponseYou've already chosen the best response.0so it is 12?

Andrewisbadatmath
 2 years ago
Best ResponseYou've already chosen the best response.0no i meant 12

ZeHanz
 2 years ago
Best ResponseYou've already chosen the best response.2f(5) = 2(59) = 2*(4)=... g(5) = 4*5 = ... f(5)  g(5) = ... (not 12)

ZeHanz
 2 years ago
Best ResponseYou've already chosen the best response.2You will get 8  20 = ...
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