Which of the following could be an example of a function with a range $$(-\infty,a]$$ and a domain $$[b,\infty)$$ where a 0 and b 0?

A. f(x)=$$\sqrt{x-a} + b$$
B. f(x)= $$-3\sqrt{x+a} -b$$
C. f(x)= $$3\sqrt{(x+b}) -a$$
D. f(x)= $$-{\sqrt{x+a}} -b$$

Question

Which of the following could be an example of a function with a range $$(-\infty,a]$$ and a domain $$[b,\infty)$$ where a > 0 and b > 0?

A. f(x)=$$\sqrt{x-a} + b$$
B. f(x)= $$-3\sqrt{x+a} -b$$
C. f(x)= $$3\sqrt{(x+b}) -a$$
D. f(x)= $$-{\sqrt{x+a}} -b$$

anonymous · Answer

@Hero can you please help me?

anonymous · Answer

hey, 
I was watching The Office on netfilx, lol

anonymous · Answer

Range: (−∞,a]
Domain: [b,∞)
Where: a > 0 and b > 0?
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