Write the first four terms of the sequence.an = 3n
A. 9, 27, 81, 243
B. 3, 9, 27, 81
C. 1, 3, 9, 27
D. 1, 8, 27, 64
Answer: B
Mathematics
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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = x2 between x = 4 and x = 8 using the "midpoint rule" with four rectangles of equal width.
A. 149 B. 174 C. 165 D. 126
Mathematics
Add or subtract as indicated. Assume all variables represent non-negative real numbers.4
- 7
+ 9
A. 9 - 3
B. 9 + 11
C. 9 + 3
D. 6
Mathematics
Let f(x) = 8x2 - 5x and g(x) = 7x + 9.Find the composite.g[f(k)]
A. 392k2 - 973k + 603 B. 56k2 + 35k + 9 C. 392k2 + 973k + 603 D. 56k2 - 35k + 9
Mathematics
Solve the equation.-8b + 4 + 6b = -3b + 9
A. {5} B. {9} C. {-9} D. {-4}
Mathematics