Show that f and g are inverses of each other by verifying that f(g(x)) = x = g(f(x)).
; 
What will be an ideal response?
f(g(x)) = f
= 
/4 = 4x/4 = x
g(f(x)) = g
= 4
- 5 = 
- 5 = x
Mathematics
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Rewrite the fractions using the least common denominator.
and 
A. 
and 
B. 
and 
C. 
and 
D. 
and 
Mathematics
Find the sum of the arithmetic series using a formula.6 + 12 + 18 + ... + 684
A. 38,988 B. 38,646 C. 39,330 D. 39,675
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Find the probability.Assuming that boy and girl babies are equally likely, find the probability that a family with four children has all boys given that the first two are boys.
A. 
B. 1
C. 
D. 
Mathematics
Solve the problem.A manufacturer's cost is given by C = 400n1/3 + 1200, where C is the cost in dollars and n is the number of parts produced. Find the cost when 64 parts are produced.
A. $2000 B. $2800 C. $4400 D. $100
Mathematics