Find the range of the given function.f(x) = -2x2 - 8x - 12
A. [2, ?)
B. (-?, -4]
C. [4, ?)
D. (-?, -2]
Answer: B
Mathematics
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Multiply. Write the answer in descending order and combine like terms.(m + 4)(m + 2)
A. m2 - 6m + 8 B. m2 + 6m + 8 C. m2 - 6m - 8 D. m2 + 6m - 8
Mathematics
Graph the quadratic function.f(x) = -2x2 + 8x
A. 
B. 
C. 
D. 
Mathematics
Find an equation of the line.Parallel to x = 8, through (-12, 11)
A. y = 11
B. x = 11
C. y = - 
x + 
D. x = -12
Mathematics
Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation.-5x - y - 9z = -64-7x - 5z = -37 8y + z = 46
A. {(-1, 5, 2)} B. {(1, 6, 5)} C. ? D. {(1, 5, 6)}
Mathematics