Which of the following is the graph of the quadratic function y = x +4% -12? -to-
-21
5
X
-20
20
-20
20
5
S
6
5
-20
-20
-5
-5
A.
B.
C.
D.
A. Graph B
B. Graph D
C. Graph A
D. Graph C

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

Which expression gives the area of the triangle shown below

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6