Combine like terms whenever possible. Write the result with descending powers.8x9 + 9x6 - 6x9
A. 11x24
B. Cannot be simplified
C. 11x6
D. 2x9 + 9x6
Answer: D
Mathematics
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Find the average value of the function f over the given region.f(x, y) = 
over the square 1 ? x ? 9, 1 ? y ? 9.
A. 
B. 
C. 
D. 
Mathematics
Write the first four terms of the sequence.{7n}
A. 8, 9, 10, 11 B. 7, 14, 21, 28 C. 0, 7, 14, 21 D. 6, 5, 4, 3
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = (x + 4)2 + 5
A. 
B. 
C. 
D. 
Mathematics
Use the formula f'(x) = 
to find the derivative of the function.f(x) = 4x2 + 7x + 5
A. 8x B. 4x + 7 C. 8x + 7 D. 8x2 + 7x
Mathematics