Which statement is true about the domain of y = 3(2^-x)? explain.

the domain is all real numbers greater than or equal to 2.
the domain is all real numbers greater than 0
the domain is all real numbers
the domain is all real numbers less than 0

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.