The diagram shows the graph of $$$y=\mathrm{f}(x)$$$ for $$$-3 \leqslant x \leqslant 3$$$. Solve $$$\mathrm{f}(x)=14$$$. $$\[ x= ............................................ \]$$

Mathematics

IGCSE&ALevel

CAIE

Exam No：0580_w20_qp_41 Year：2020 Question No：5(a)(i)

Answer:

$2.7$ to $2.8$

Knowledge points:

E2.11.2 Solve associated equations approximately, including finding and interpreting roots by graphical methods. (Find turning points of quadratics by completing the square.)

Solution:

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The diagram shows the graph of $$\(y=\mathrm{f}(x)\)$$ for $$\(-3 \leqslant x \leqslant 3\)$$. Solve $$\(\mathrm{f}(x)=14\)$$. $$\[ x= ............................................ \]$$

Answer:

Knowledge points:

Solution:

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