Find the sum of all real solutions of the equation.
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A. 16
B. 12
C. 14
D. 11
E. 8
Answer: E
Mathematics
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Solve the problem.In an arithmetic sequence with first term P0 and common difference d, the sum of the first 400 terms is given by
A. 100(2P0 + 399d). B. 200(2P0 + 400d). C. 200(2P0 + 200d). D. 100(2P0 + 200d). E. none of these
Mathematics
Refer to the graph of the function f in the following figure.
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Find the value of x for which (i) f (x) = 2 and (ii) f (x) = 0.
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A. f (3) = 4, f (0) = -2 B. f (3) = 2, f (2) = 0 C. f (3) = 2, f (1) = 0 D. f (4) = 2, f (3) = 0 E. f (4) = 2, f (2) = 0
Mathematics
Evaluate using Table 1 or CAS.
? 2x dx
Mathematics
Use a calculator to find an approximate solution to the equation.8ln (x + 2.8) = 12.8
A. 2.153 B. -2.598 C. 1.221 D. No solution
Mathematics