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Back to Restrict domain for invertibility — Problem 4 · Task Set 46

Exercises: Restrict Domain for Invertibility

Work through each section in order. Show your work where indicated.

Grade 9·20 problems·~30 min·Common Core Math - HS Functions·standard·hsf-bf-b-4d
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A

Fluency Practice

1.

f(x)=x2+2f(x) = x^2 + 2 is restricted to x≥0x \geq 0. The range of this restricted function is [a,∞)[a, \infty). What is aa?