adamresendezjr adamresendezjr

05-06-2018
Mathematics

contestada

if f(x)= 2x2-4x and g(x)=5-2x evalute f(x)-g(x) for x=5

Respuesta :

mkryukova19 mkryukova19

05-06-2018

f(x)= 2x²-4x
g(x)= 5-2x

f(x)-g(x) = 2x²-4x - ( 5-2x) = 2x² - 4x-5+2x= 2x² -2x-5
f(x)-g(x) = 2x² -2x-5
f(5)-g(5) = 2*5² -2*5-5=50-10-5 =35
f(5)-g(5) = 35

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