Find the vertex of the given function.
f(x) = |x+ 1| - 7
the vertex is at (-1 ,
7
v
).

what are the domain and range of the function?
o domain: (-00, ); range: f(x)2-7
domain: (-0, 0); range: f(x) 27
domain: f(x)21; range: f(x)2-7
e
te
domain: f(x) > 1; range: (-0, 0)

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?