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HSF.BF.A.1.b Tutor Intake — Combining Functions with Arithmetic Operations

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Grade 9·12 problems·~12 min·Common Core Math - HS Functions·standard·hsf-bf-a-1b

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Procedures

Let $f(x) = x + 4$ and $g(x) = x^2 - 1$ . Which expression equals $(f + g)(x)$ ?

$x^2 + x + 3$

$x^2 + x + 5$

$x^3 + 4x^2 - x - 4$

$x^2 + x - 5$