Question

If f(x) = 7x​^2​ –​ 4x ​+​ 2, find the elements of the range for a domain of {​–2, ​–1, 0}.

Answer 1

2, 13, 38

Explanation:

To find the range, find the value of f(x) for each element in the domain.

`f(-2)=7(-2)^2-4(-2)+2=28+8+2=38 \\ \\ f(-1)=7(-1)^2-4(-1)+2=7+4+2=13 \\ \\ f(0)=2`