Perform the indicated operation.(2r + 9)(2r + 9)
A. 4r2 + 81r + 36
B. 2r2 + 36r + 35
C. 2r2 + 35r + 81
D. 4r2 + 36r + 81
Answer: D
Mathematics
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Identify the domain and the range of the relation from the graph.
A. Domain: [-8, ?) Range: (-?, ?) B. Domain: [8, ?) Range: (-?, ?) C. Domain: (-?, ?) Range: [8, ?) D. Domain: (-?, ?) Range: [-8, ?)
Mathematics
Solve the equation.
= 5
A. {-25} B. {5} C. {10} D. {25}
Mathematics
For the given pair of functions, find the requested item.Given f(x) = 3x - 2 and g(x) = -8x2 - 9x + 10, find (f + g)(x).
A. 8x2 - 5x - 12 B. -8x2 + 6x + 8 C. -9x2 - 6x - 8 D. -8x2 - 6x + 8
Mathematics
Find the square root. When necessary, round to nearest thousandth.
A. 7 B. 16.333 C. 8 D. 24.5
Mathematics