If c(x)=
-2 and d(x) = x + 3, what is the domain of (cd)(x)?
all real values of x
all real values of x except x = 2
all real values of x except x = -3
all real values of x except x = 2 and x = -3
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If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.