Simplify the expression, writing the answer as a single term without negative exponents.
A. 1
B. 
C. 
D. xy
Answer: B
You might also like to view...
Plot the following points and find the distance between the points. ? (-5, 8), (7, 2) ?
A. ?
Distance:
B. ?
Distance: 
C.
Distance: 
D. ?
Distance: 
E. ?
Distance: 
Use implicit differentiation to find dy/dx.y
= 4
A. 
B. - 
C. - 
D. 
Find the derivative of the function.y = x5cos x - 8x sin x - 8 cos x
A. -x5 sin x + 5x4 cos x - 8x cos x - 16 sin x B. -5x4 sin x - 8 cos x + 8 sin x C. -x5 sin x + 5x4 cos x - 8x cos x D. x5 sin x - 5x4 cos x + 8x cos x
Solve.After being struck with a hammer, a gong vibrates 44 vibrations in the first second and in each second thereafter makes 
as many vibrations as in the previous second. Find how many vibrations the gong makes before it stops vibrating.
A. 55 vibrations B. 230 vibrations C. 220 vibrations D. 50 vibrations