Identify the relation that is also a function. A.
{(5, 6), (4, 5), (5, 8), (4, 0)}

B.
{(3, −1), (3, 1), (3, 0), (0, 2)}

C.
{(−2, 1), (−1, 2), (1, 4), (−3, −2)}

D.
{(6, 4), (6, −4), (10, 5), (10, −5)}

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. (4 points) part b: make tables to find the solution to 4x = 2x−2. take the integer values of x between −3 and 3. (4 points) part c: how can you solve the equation 4x = 2x−2 graphically? (2 points)