R, S, Q and P are the midpoints of OC, CB, BA and OA respectively. OR = a, CS = b and OP = c.
Show that RS is parallel to PQ
Note: Ignore arrows above vectors eg write RS, not RS
B
+
Р
С
s
b
O
С
R
a
Vector
View One Minute Version

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

Which of these choices show a pair of equivalent expressions?

Which ahows the graph of the solution set of 6x+4y< 12