Verify the integration formula.
sech-1 x + 
+ C
A. Yes
B. No
Answer: B
Mathematics
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Solve.Use the approximations ln 4 ? 1.386 and ln 5 ? 1.609 together with the properties of natural logarithms to calculate an approximation to ln 20.
A. 2.230 B. 2.995 C. 2.996 D. 6.930
Mathematics
Add or subtract. Assume all variables represent nonnegative real numbers.6
- 5x
A. 2x
B. x
C. 6
- 2x
D. Cannot simplify
Mathematics
Solve the system of equations graphically, if a solution exists.3x + 2y = 14-2x + 3y = 8
A. No solution B. x = 3, y = 14 C. x = 2, y = 4 D. x = 4, y = 2
Mathematics
Solve the equation graphically. Round to the nearest thousandth.log2
= 7
A. 2.528 B. -2.593, 2.593 C. 2.518 D. 2.584
Mathematics