Question

which of the following could be an example of a function with the domain [a,infinity) and a range (-infinity,b) where a>0 and b>0?

Answer 1

\[f(x)=\sqrt{x+a}-b\]

Answer 2

\[\sqrt[3]{x+a}-b\]

Answer 3

\[x=\sqrt[3]{(x-b)}+a\]

Answer 4

or \[f(x)=-\sqrt{x-a}+b\]

Answer 5

my bad it is supposed to be (-infinity,b]

Answer 6

@goformit100

Answer 7

@arithmetic555