Evaluate the function requested. Write your answer as a fraction in lowest terms.
Find tan A.
A. tan A = 
B. tan A = 
C. tan A = 
D. tan A = 
Answer: D
Mathematics
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Solve.x3 - 64
A. -4, -1 ± i
B. 4, -2 ± 2i
C. -4, -2 ± 2i
D. 4, -1 ± i
Mathematics
Determine the domain of the function. Express your answer in interval notation.f(x) = 
A. [-17, ?) B. [17, ?) C. [0, ?) D. (-?, ?)
Mathematics
Solve the system mentally, without the use of a calculator or pencil-and-paper calculation. Try to visualize the graphs of both lines.x + 0y = 90x + y = 4
A. x = 9; y = 4
B. x = 4; y = 9
C. x = 9; y = 2
D. x = 2; y = 
Mathematics
Find the integral.
A. x + 
+ C
B. x + 
+ C
C. x + 
+ C
D. 
+ C
Mathematics