Which is another way of correctly expressing (x - 5)2 ?
(x - 5)(x - 5)
(x + 5)(x + 5)
(x2-5)
(x + 5)(x - 5)

5(-9w) put expression in distributive property

Bring the fraction a/a-4 to a denominator of 16-a^2

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values