Explain why the function is discontinuous at the given number a. (Select all that apply.) av -
f(x) = 3 x + 3
if x # -3
a = -3
if x = -3
(-3) is undefined.
O
f(x) and lim f(x) are finite, but are not equal.
x-3t
X-+-3
f(-3) is defined and lim f(x) is finite, but they are not equal.
x→-3
lim f(x) is not finite.
lim
X-3
none of the above
Sketch the graph of the function.
у
у
10
10+
5
х
10
5
- 10
5
-10
-5

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

Flashback to semester a. are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr? show your work.

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.