SOLUTION: Let f(x)=4x^2 and g(x)=x-(3/x). Evaluate: a) (f-g)(3) b) (f/g)(3) c) (f◦g)(3)

Algebra ->  Functions -> SOLUTION: Let f(x)=4x^2 and g(x)=x-(3/x). Evaluate: a) (f-g)(3) b) (f/g)(3) c) (f◦g)(3)       Log On


   

Question 964109: Let f(x)=4x^2 and g(x)=x-(3/x). Evaluate: a) (f-g)(3) b) (f/g)(3) c)
(f◦g)(3)
Answer by amarjeeth123(570) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=4x^2 and g(x)=x-(3/x)
f(3)=4(9)=36
g(3)=3-(3/3)=3-1=2
a)f-g(3)=f(3)-g(3)=36-2=34
b)(f/g)(3)=f(3)/g(3)=36/2=18.
c)(fog)(3)=f(g(3))=f(2)=4(2)^2=4(4)=16.