Find the exact value of the following expression without using a calculator.tan 45°
A. 
B. 
C. 
D. 1
Answer: D
Mathematics
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Answer the question.Which feature of the textbook always follows the title of a section in the textbook?
A. Readiness Quiz B. Work Smart C. Examples D. Quick Check
Mathematics
Graph the function. Show at least one period.y = 4 sin(-2x - ?)
A. 
B. 
C. 
D. 
Mathematics
Graph.y = 
x and y = log1/2 x
A. 
B. 
C. 
D. 
Mathematics
Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. 
B. 
C. (0, 13)
D. none
Mathematics