want to check my answers on a and b.  as for c and di, how would i find the solution? Letf(x)=3–x andg(x)=x–3.   a. Evaluate f (2) and g (2). b. Evaluate f (–2) and g (–2). c. Which function, f or g, has the domain (– ∞, ∞)? d. Which function, f or g, can have negative function values?

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter8: Polynomials
Section8.4: Zeros Of A Polynomial
Problem 31E
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I want to check my answers on a and b.  as for c and di, how would i find the solution?
Letf(x)=3–x andg(x)=x–3.
 
a. Evaluate f (2) and g (2).
b. Evaluate f (–2) and g (–2).
c. Which function, f or g, has the
domain (– ∞, ∞)?
d. Which function, f or g, can have
negative function values?

 

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