Find the numbers at which f is continuous. At which numbers is f discontinuous?f(x) = 3 cos x
A. continuous for all real numbers except x = 1
B. continuous for all real numbers
C. continuous for all real numbers except x = 0
D. continuous for all real numbers except x = 3
Answer: B
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Provide an appropriate response.When using the counting rules to count the number of possible outcomes, the permutation formula can be used in which of the following situations?
A. When repetitions are allowed and the order of arrangement is important B. When repetitions are allowed and the order of arrangement is unimportant C. When repetitions are not allowed and the order of arrangement is important D. When repetitions are not allowed and the order of arrangement is unimportant
Use the following definitions to determine if the statement is true or false. N = {x : x is a natural number}I = {x : x is an integer}R = {x : x is a real number}W = {x : x is a whole number}Q = {x : x is a rational number}Q is a proper subset of N, I, and W.
A. True B. False
Differentiate.
Solve.Let f(x) = x + 4, and g(x) = 
. Find x so that f(x) = g(x).
A. 
, - 
B. 
, - 
C. -1, 9
D. 4 + 
, 4 - 