Solve the inequality
and how do I graph help pls

What is f(3) for the quadratic functionf(x)=2x2 + x – 12? f -3g 3h 6i. 9

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.

If f(x)=x+7 and g(x)=1/x what is (fog)(x)