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Mathematics

Grade10

Easy

Question

Find the domain of $left parenthesis x minus 1 right parenthesis squared$

$[- 1, \infty)$
$(- \infty, 1]$
$(- \infty, \infty)$
$[1, \infty)$

hint Hint:

We are give a function. We have to find the domain of the given function. Domain of a function is the set of all values that we can substitute in place of a variable.

The correct answer is: $left parenthesis negative straight infinity comma straight infinity right parenthesis$

The given function is $left parenthesis x minus 1 right parenthesis squared$
Domain means set of all possible inputs. The given function is not a fraction or a radical. It doesn't have restrictions on input.
So, the set of all real numbers is the domain of the function.
So, the domain is $left parenthesis negative straight infinity comma straight infinity right parenthesis$ .

For such questions, we should know the concept of domain.

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