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

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

What is the successor of the natural number 2012?

The temperature for the past 8 hours has been changing at the rate of-1.5 degrees each hour. The meteorologist predicts that the temperature will continue chang

Victor pays $1200 rent. If his monthly salary is $3800, what percent of his monthly salary is his rent? Round to the nearest tenth of a percent.

what are the 4 features of buddhism?

n+6=8n+6-6=8-__n=__I am having problems solving this problem....can you help

True or false energy is the capacity to do work

change 2.36 to a mixed number and reduced to lowest terms

True or false energy is the capacity to do work

Explain how you would write 7\8 as a rate per 100?

Part a: If the diameter of a wheel is 1 yard, then it's radius is how many inches? Part b: write a statement telling how u know your solution to A is correct.