Question

what is the domain and range of the function f(x)= -3*sqrt(x-1)

Answer 1

for domain, set \(x-1\geq 0\) and solve for \(x\) in one step

Answer 2

as for the range, the square root of anything is always positive, so \(-3\) times root anything is always negative

Answer 3

go with \(y\leq 0\)

Answer 4

thank you so much!

Answer 5

yw