What is the answer for question 6) ? http://postimg.org/image/dcifjafgx/

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a.
f(x) * g(x)
Domain:  all real numbers
Range:  all real numbers
f(x) / g(x)
Domain:  x `!=` -3
Range:  y = 2

b.
f(x) * g(x)
Domain:  all real numbers
Range:  all real numbers
f(x) / g(x)
Domain: x `!=` 1
Range: y `!=` 5

c.
f(x) * g(x)
Domain:  x `>=` 1
Range:  y `>=` 0
f(x) / g(x)
Domain:  x > 1 
Range:  y `>=` 0

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