Check the addition. If the answer is incorrect, find the correct answer.
1172
A. Incorrect; should be 1152
B. Incorrect; should be 1162
C. Incorrect; should be 1252
D. Correct
Answer: A
Mathematics
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Fit a quadratic function f(x) = ax2 + bx + c to the data. What is the value of b?
A. 9 B. 11 C. 12 D. 10
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List the symmetries of the given function, if there are any. Otherwise, state "No symmetry".f(x) = 7x4 + 5x - 3
A. x-axis B. x-axis, origin C. Origin D. No symmetry
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Graph the system of inequalities.
A. 
B. 
C. 
D. 
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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.sec 
A. 
B. -
C. - 
D. -2
Mathematics