Write the equation of the axis of symmetry.f(x) = 0.4x2 - 4
A. y = 0.2
B. x = 0.2
C. x = 0
D. y = 0
Answer: C
Mathematics
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Estimate the percentage.10% of 97.1
A. 50 B. 1 C. 2 D. 10 E. 5
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Provide an appropriate response.Perform this long division problem without a calculator: 
A. 6.6 B. 1.5 C. 15 D. 19
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Solve the problem.The following table shows the number of dog collars, in thousands, produced by Allied Pet Products in the 3 years considered. 
Fit a quadratic function f(x) = ax2 + bx + c to the data. What is the value of c?
A. 23.6 B. 12.8 C. 20 D. 14
Mathematics
Identify the row operation that produces the resulting matrix.
? 
A. (-1)R2 ? R2 B. R1 + (-1)R2 ? R2 C. (-1)R1 + R2 ? R2 D. R1 + (-1)R2 ? R1
Mathematics