Find the vertex and axis of symmetry of the graph of the function.f(x) = -x2 + 10x
A. (-25, 5); x = -25
B. (25, -5); x = 25
C. (5, 25); x = 5
D. (-5, -25); x = -5
Answer: C
Mathematics
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Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.csc 540°
A. 2
B. 
C. 1
D. undefined
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Find the sum.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
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