Hannahbrook13
Hannahbrook13 Hannahbrook13
  • 23-02-2015
  • Mathematics
contestada

If f(x)=2x-6 and g(x)=x-2xsquared, what is g[f(3)]

Respuesta :

konrad509
konrad509 konrad509
  • 23-02-2015
[tex]f(x)=2x-6\\ g(x)=x-2x^2\\\\ g(f(x))=2x-6-2(2x-6)^2\\ g(f(x))=2x-6-2(4x^2-24x+36)\\ g(f(x))=2x-6-8x^2+48x-72\\ g(f(x))=-8x^2+50x-78\\\\ g(f(3))=-8\cdot3^2+50\cdot3-78\\ g(f(3))=-8\cdot9+150-78\\ g(f(3))=-72+72\\ g(f(3))=0[/tex]
Answer Link

Otras preguntas

Segments of DNA transferred from parent to offspring are called .
Complete the following sentence with the correct form of the verb tener. Yo __________ 17 años
The diameter of a circle is 20 miles. What is the angle measure of an arc bounding a sector with area 10​ square miles?
dust settling out of the air chemical change or physical change
Can anyone help me by describing this Elemental Otter of Water??? this is for a story i am making. PLEASE BE CREATIVE~!!!!!!!
courtney can run 4.5 miles in 36 minutes .how many minutes would it take to run a mini marathon of 12 miles at the same rate?
OPINION!In a presentation I talk about Mary Kay Ash for 15 minutes, what are some ideas in making it fun? Acting? Poem? Advertising Mary Kay? And how can I do
Under a Democratic form of government which of the following would you be most likely to find?
Insert one key aspect/influence of Jackson's presidency update.
What does Lysander say has caused him to stop loving Hermia and begin loving Helena? Given what we have seen, how much should we believe him? What does Helena t