# interval notation

1) Given that f(x)= sqrt(4x+6) and g(x) = (x-1)/x, find the following functions and express their domains in interval notation.

a. (f + g)(x) = _________, its domain is ________

b. (f/g)(x) = __________, its domain is________

c. (g/f)(x) = __________, its domain is __________

d. (f [of] g)(x) = _________, its domain is _________

https://brainmass.com/math/computing-values-of-functions/expressing-domain-in-interval-notation-370713

#### Solution Preview

a

sqrt(4x+6)+(x-1)/x

all real numbers greater than or equal to -6/4 and not equal to ...

#### Solution Summary

This solution finds the following functions and expresses their domains in interval notation.

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