Ihave alg 2 midterms tomorrow, does anyone know a good site to study?

What are the domain and range of the functiony = 2(x - 3)2 + 4?

What is the value of the expression below? (81^2)^1/8

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.