Master the SAT Desmos calculator

Chapter 3 of 8:Solve equations and find maximums by graphing

Lesson 8 of 9

Desmos simulator

Solve

The function $\displaystyle f$ is defined below.

$\displaystyle f{\left(x\right)}=-{\left(x-3\right)}^{2}+9$

What is the maximum value of $\displaystyle f{\left(x\right)}$ ?

\displaystyle

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Step 1 · Think

The graph's highest point will have two coordinates. Decide which one the question asks for.

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