Perform the indicated operations.( 4x2 - 5xy - 4) + ( -2x2 - 4x + 8)
A. 6x2 - 5xy - 4x + 12
B. 2x2 - 5xy - 4x + 4
C. 2x2 - 9xy + 4
D. 2x2 - 9xy - 12
Answer: B
Mathematics
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Use inductive reasoning to predict the next line in the pattern.(1 × 9) - 7 = 2(21 × 9) - 7 = 182(321 × 9) - 7 = 2882
A. (4321 × 9) - 7 = 38,882 B. (4321 × 9) - 7 = 28,882 C. (432 × 9) - 7 = 38,882 D. (4321 × 9) - 7 = 3881
Mathematics
Determine the amplitude or period as requested.Period of y = 5 cos 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.x1/2 = 4x1/4
A. {0, 4} B. {0, 256} C. {0, 16} D. ?
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Insert the symbol <, >, or = to form a true statement.1.7 
1.85
A. 1.7 = 1.85 B. 1.7 > 1.85 C. 1.7 < 1.85
Mathematics