Determine whether (f ? g)(x) = x and whether (g ? f)(x) = x.f(x) = 
, g(x) = x5 + 10
A. No, no
B. Yes, no
C. Yes, yes
D. No, yes
Answer: C
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Solve the problem.An electron has a 1.6 x 10-19 C negative charge. How much work is done in separating two electrons from 2.4 pm to 7.3 pm?
A. 13 x 10-16 N ? m B. 6.4 x 10-17 N ? m C. 3.6 x 10-17 N ? m D. 7.2 x 10-39 N ? m
Solve the problem.Determine whether the ordered triple (-3, -1, 4) is a solution of the system of equations.2x - 2y - 3z = -164x - 3y + 3z = 3 x + y - 5z = -24
A. No B. Yes
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Two marbles are drawn from a bag in which there are 4 red marble and 2 blue marble. The number of blue marbles is counted.
A. 
B. 
C. 
D. 
Write the expression in the standard form a + bi.(
+ i)5
A. 16 - 16
i
B. 16
- 16i
C. -16
+ 16i
D. 9
+ 5i