gaokao 2015 Q7

gaokao · China · beijing-science Curve Sketching Number of Solutions / Roots via Curve Analysis

7. As shown in the figure, the graph of function $f ( x )$ is the broken line $A C B$. The solution set of the inequality $f ( x ) \geqslant \log _ { 2 } ( x + 1 )$ is [Figure]
A. $\{ x \mid - 1 < x \leqslant 0 \}$
B. $\{ x \mid - 1 \leqslant x \leqslant 1 \}$
C. $\{ x \mid - 1 < x \leqslant 1 \}$
D. $\{ x \mid - 1 < x \leqslant 2 \}$

7. As shown in the figure, the graph of function $f ( x )$ is the broken line $A C B$. The solution set of the inequality $f ( x ) \geqslant \log _ { 2 } ( x + 1 )$ is\\
\includegraphics[max width=\textwidth, alt={}, center]{fe905e08-d195-4581-90b0-2e1022233812-2_350_490_1489_781}\\
A. $\{ x \mid - 1 < x \leqslant 0 \}$\\
B. $\{ x \mid - 1 \leqslant x \leqslant 1 \}$\\
C. $\{ x \mid - 1 < x \leqslant 1 \}$\\
D. $\{ x \mid - 1 < x \leqslant 2 \}$

Paper Questions

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