SOLUTION: graph the function and describe the range and domain of the function please. f(x)=√2x-2

Algebra ->  Rational-functions -> SOLUTION: graph the function and describe the range and domain of the function please. f(x)=√2x-2      Log On


   

Question 934451: graph the function and describe the range and domain of the function please.
f(x)=√2x-2
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

f%28x%29=sqrt%282x%29-2
make a table:
x|f%28x%29
2|0
1|-1
0|-2
3|0.45
4|0.83
plot points and draw a line through:



domain:
{ x element R : x%3E=0 }
range:
{ f%28x%29 element R : f%28x%29%3E=-2 }