If f of x is equal to x plus 1 and g of x is equal to 2 x minus 7 , which expression is equivalent to open bracket f circ g close bracket times 3 ?

The composition (f ∘ g)(3) means first evaluate g(3), then apply f to that result. Since g(3) = 2 × 3 − 7, and f(x) = x + 1, the expression is (2 × 3 − 7) + 1. This matches choice D.

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