Question

Can someone help with this piecewise lesson, I need domain & range!

Answer 1

Answer: A

Explanation:

Domain:

x∈(-∞,+∞)

Range:

y∈(-∞,3]U[4]

`\displaystyle\\f(x)=\left \{ {{x\ \ \ if\ \ \ x\leq 3} \atop {4\ \ \ if\ \ \ x > 3}} \right.`