Ask a New Question

Question

Given no other restrictions, what are the domain and range of the following function?

f(x)=x^2-2x+2

A. D= all real numbers
R={y|y>=1}

B. R=all real numbers
D={x|x>=1}

I think it is A...?
11 years ago

Answers

Steve
all polynomials have domain of all reals.
for the range, the vertex format is useful.

y = (x-1)^2 + 1
Since (x-1) is never less than zero,
y>=1
That's where the vertex is, at y=1.

So, (A) is the choice
11 years ago
Cassie
thank u very much
11 years ago

Related Questions

What are the restrictions on the orbit of a communications satellite if it is to appear motionless i... what are the restrictions on the vaule of variables in the following radical expression √4-t/√3t Given no other restrictions, what are the domain and range of the following function? f(x)=x2−2x+2 What the restrictions placed on the Trustees of Georgia? Given no other restrictions, what are the domain and range of the following function? f(x)=−x^2+2x−2... Given no other restrictions, what are the domain and range of the following function? f(x)=−x2+2x... given no other restrictions, what are the domain and range of the following function? f(x)=x^2-2x+2... What\:are\:the\:restrictions\:on\:the​\:variable\:\frac{z^2+10z+25}{z^2-4z-45} If restrictions do not allow you to say yes, say hat, and If restrictions do not allow you to say no...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use