Add or subtract the complex numbers(3 + 5i) - (6 + 10i) - (4 - 3i)
A. 13 - 2i
B. -7 - 2i
C. -7 + 12i
D. 13 + 12i
Answer: B
Mathematics
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Find the eccentricity of the hyperbola.64y2 - 49x2 = 3136
A. 
B. 
C. 
D. 
Mathematics
Simplify the product.2(5m + 7)
A. 5m + 14 B. 10m + 14 C. 70m D. 10m + 7
Mathematics
Solve the problem.The second derivative of a person's body temperature, with respect to the dosage of x milligrams of a drug, is given by 
One milligram raises the temperature 2.1° C. Find the function D(x) giving the total change in temperature as a function of x.
A. D(x) = 5 ln 
- 3.4
B. D(x) = ln 
+ 3.4
C. D(x) = 5 ln 
+ 2.1
D. D(x) = ln 
- 2.1
Mathematics
Decide whether the integral converges. If the integral converges, compute its value.
?
?
A. 2
B. 1
C. 
D. -2
E. diverges
Mathematics