Question

What is the domain of this function? -2 3 9 4 12 2 O A. {3} B. {-2, 2, 3, 4} O C, {-2, 2, 3, 4, 9, 12} O D. {3, 9, 12}

Answer 1

The domain of a function is defined as the set of input values a function can take.

In the case of our function, the domain is all the values contained in the ellipse on the left.

These values are

`\left\lbrace -2,3,4,2\right\rbrace`

which is our domain. The answer we got matches choice B; therefore, choice B is the correct answer.