Find the exact value. If the value of the function is not defined, write undefined.sin 90°
A. 
B. 1
C. 0
D. Undefined
Answer: B
Mathematics
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Solve the problem.Use the following information to graph the function f over the closed interval [-5, 6].i) The graph of f is made of closed line segments joined end to end.ii) The graph starts at the point (-5, 1).iii) The derivative of f is the step function in the figure shown here.
A. 
B. 
C. 
D. 
Mathematics
Decide whether the given set of numbers is a group under the given operation.Integers; addition
A. Yes B. No
Mathematics
State the domain and range of the function.f(x) = 
A. Domain = (-?, ?); range = (7, ?) B. Domain = (-?, ?); range = (0, 7) C. Domain = (-?, ?); range = (-?, ?) D. Domain = (0, ?); range = (-?, ?)
Mathematics
Find the LCD for the list of rational expressions.
, 
A. t - 2 B. t C. t(t - 2) D. 54
Mathematics