Perform the addition or subtraction.(5x2 + 7x - 4) - (7x2 - 6)
A. 12x2 + 7x - 10
B. -2x2 + 7x + 2
C. 12x2 + 13x - 4
D. -2x2 + 13x - 4
Answer: B
Mathematics
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A. x6
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C. 
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D. y6
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Find all solutions to the equation. Express the solution in degrees.cot x + 
= 0
A. 150° + 180°n or 330° + 360°n B. 150° + 180°n C. 150° + 360°n D. 330° + 360°n
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Calculate the requested distance.The distance from the point S(6, 10, -8) to the line x = 2 + 3t, y = 5 + 4t, 
A. 
B. 
C. 
D. 
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List the symmetries of the given function, if there are any. Otherwise, state "No symmetry".f(x) = 4x2 + 2
A. Origin B. y-axis C. x-axis D. No symmetry
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