State the domain and range for the function. f(x)= 2 csc (x/2) )
1 answer:
Answer:
Option b
Step-by-step explanation:
Since we are dealing with a question that deals with domain and range, it is best if we solve the problem graphically with the help of a calculator or any plotting tool.
Please, see attached image
We graph the equations and find the behavior of the graph
Domain
All reals except multiples of 2π
Range:
f(x) ∈ (-∞,-2] ∪ [2,∞)
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Answer:
Maximum: 7
Minimum: 0
Step-by-step explanation:
A proper subset B of a set C, denoted , is a subset that is strictly contained in C and so necessarily excludes at least one member of C.
This means that the number of elements in B must be at least 1 less than the number of elements in C. If the number of elements in C is 8, then the maximum number of elements in B can be 7.
The empty set is a proper subset of any nonempty set. Hence, the minimum number of elements in B can be 0.