Solve the equation.log (5x) = log 3 + log (x + 4)
A. {- 6}
B. {6}
C. 
D. 
Answer: B
Mathematics
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Evaluate the integral by changing the order of integration in an appropriate way.
A. 2(1 + sin 10) B. 2 sin 10 C. 2(1 - cos 10) D. 2 cos 10
Mathematics
List the elements in the set .Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. A ? (B ? C)
A. {q, y, z} B. {q, r, w, y, z} C. {q, s, u, w, y, z} D. {q, w, y}
Mathematics
Solve the problem.The position of a particle moving along a coordinate line is s = 
, with s in meters and t in seconds. Find the particle's velocity at 
A. 3 m/sec
B. 
m/sec
C. - 
m/sec
D. 
m/sec
Mathematics
Write interval notation.{x?-6 ? x < -2}
A. (-6, -2) B. (-6 ,-2] C. [-6, -2] D. [-6, -2)
Mathematics