APFIVE Composition of Two Functions
Let f and g be functions defined by f(x) = √(x+4) and g(x) = 2x² - 3. Which of the following is an expression for (f ∘ g)(x)?
A
√(2x² + 1)
B
√(2x² - 3 + 4)
C
2(√(x+4))² - 3
D
√(2x² - 7)
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