Determine which relation is a function.
a.
{(–4, 3), (–2, 3), (–1, 2), (2, 5), (3, 2)}
b.
{(–4, 1), (–2, 3), (–2, 1), (–1, 5), (3, 2)}
c.
{(–4, 1), (–2, 3), (–1, 2), (3, 5), (3, 2)}
d.
{(–4, 1), (–2, 3), (–1, 1), (–1, 5), (3, 2)}

Given f(x) = 17-x^2what is the average rate of change in f(x) over the interval [1, 5]?

Which number completes the system of linear inequalities represented by the graph? y> 2x – 2 and x + 4y 2 et 2 3 4

Which question is not a good survey question? a.don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d.are you happy with the availability of electronic products in your state?