What is the range of the function y=cot(x)?

a) all real numbers
b) all real numbers except pi/2+n pi, where n is any integer
c) all real numbers except n pi/2, where n is any integer
d) all real numbers except n pi, where n is any integer

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

Give the functions f(x) = |x + 2| - 3, what is the domain? a,b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2

Find two consexutive odd integers such that the sum of their square is 650