SOLUTION: my teacher has tired to explain this to me but i still do not understandstand can u please explain to m how to solve this complicated problem. thank you evaulate if f:x--> 4-x

Algebra ->  Functions -> SOLUTION: my teacher has tired to explain this to me but i still do not understandstand can u please explain to m how to solve this complicated problem. thank you evaulate if f:x--> 4-x      Log On


   

Question 99696: my teacher has tired to explain this to me but i still do not understandstand
can u please explain to m how to solve this complicated problem. thank you
evaulate if f:x--> 4-x{squared} and g:x--> {absolute value} 2x-3
problem:
g(f(-1))

thank you again
Answer by mdalis(5) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=4-x^2
x=-1
4-(-1)^2
f(-1)=3
g(3)= l 2(3)-3 l
g(3)= l3l
g(3)= 3 or -3