Factor the expression completely, if possible.z3 + 343
A. (z + 7)(z2 - 7z + 49)
B. (z + 7)(z2 + 49)
C. (z - 7)(z2 + 7z + 49)
D. (z - 343)(z2 - 1)
Answer: A
Mathematics
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Use the equation and the corresponding graph for the quadratic function to find what is requested.f(x) = -2(x - 5)2 + 1
Find the domain and range.
A. Domain: (-?, 1]; Range: (-?, ?) B. Domain: (-?, ?); Range: [1, ?) C. Domain: (-?, ?); Range: (-?, 1] D. Domain: (-?, ?); Range: (-?, ?)
Mathematics
Multiply.80 ? (-1.1) ? 5 ? (-0.08)
A. -352 B. 35.2 C. 352 D. -35.2
Mathematics
Find an equation for the graph.
A. y = 3 cos 
B. y = -3 sin (3x)
C. y = -3 cos
D. y = -3 cos (3x)
Mathematics
Find the real solutions of the equation.
= x + 3
A. {-4} B. {4} C. {5} D. {-5}
Mathematics