Composition of Functions Answers

If f(x) = 3x + 2 and g(x) = x2 + 1, which expression is equivalent to ?

If and h(x) = 4 – x, what is the value of ?

For which pair of functions is ?

If f(x) = x2 + 1 and g(x) = x – 4, which value is equivalent to ?

If and n(x) = x – 3, which function has the same domain as ?

If and , what is the range of ?

If h(x) = 5 + x and , which expression is equivalent to ?

The domain of f(x) is the set of all real values except 7, and the domain of g(x) is the set of all real values except –3. Which of the following describes the domain of ?

Which description best explains the domain of ?