Solve the equation.x - 3 + 14 = 
+ 7
A. x = -6
B. x = -12
C. x = -2
D. x = 4
Answer: D
Mathematics
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Use differentiation to determine whether the integral formula is correct.
dx = 
+ C
A. No B. Yes
Mathematics
Evaluate the expression without using a calculator, or state that the value does not exist. Simplify the answer to the extent possible.sinh(2 ln 5)
A. 
B. 
C. 
D. 
Mathematics
The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).x2 + y2 - 4x = 0
A. r = 4 sin ? B. r cos2 ? = 4 sin ? C. r = 4 cos ? D. r sin2 ? = 4 cos ?
Mathematics
Solve the problem.A boat travels 4 miles south and then 7 miles east. How far is the boat from its starting point? Round approximations to the nearest tenth. 
East --7 mi-->
A. 5.5 mi B. 4.05 mi C. 8.1 mi D. 32.5 mi
Mathematics