herlima herlima
  • 17-10-2015
  • Mathematics
contestada

If f(x)=2x^2 +4 and g(x)=x-3,which number satisfies f(x)=(f•g) (x)

Respuesta :

konrad509
konrad509 konrad509
  • 17-10-2015
[tex](f\cdot g)(x)=f(x)\cdot g(x)\\\\ (f\cdot g)(x)=(2x^2+4)(x-3)\\ (f\cdot g)(x)=2x^3-6x^2+4x-12\\\\ 2x^2+4=2x^3-6x^2+4x-12\\ 2x^3-8x^2+4x-16=0\\ 2x^2(x-4)+4(x-4)=0\\ (2x^2+4)(x-4)=0\\ 2(x^2+2)(x-4)=0\\ \boxed{x=4}[/tex]
Answer Link

Otras preguntas

what is the nuclear equation for uranium 235
A car leaves town traveling 40 mi/h. Two hours later, a second car leaves the same town, on the same road, traveling at 60 mi/h. In how many hours will the seco
pls help What is the correlation coefficient for the data shown in the table? r =
According to the federal fair credit reporting act, how many days, once they are notified, does a credit bureau have to fix or remove an inaccurate item?
which of these is a part of healthy dating relationship
What is the least sever form of heat illness
1. Regarding Frans Hals' painting, Young Man with a Skull, which statement is true? A. Hals applied the paint to be as smooth as the skin of an onion. B. Its
If the solubility of AgNO3 is 63.7g/100 mL water and you have 5.77 g dissolved in 10 mL of water is your solution unsaturated, saturated, or super saturated? Ex
Explain how water behaves in this reaction. Which definition of acids and bases would you apply? H2CO3 + H2O ---> HCO3- + H3O+
Justin wants to use 188 ft of fencing to fence off the greatest possible rectangular area for a garden. What dimensions should he use? What will be the area of