Below is a question from a recent SAT exam. It is a non-calculator question that would typically take a student 1-2 minutes to complete.
The graph of is shown. If the graph crosses the y-axis at the point (0, k), what is the value of k?
To begin, we are looking for the point in this graph where the curve touches the -axis. This is the point where x = 0.
首先，在图中找到曲线与y轴接触的点，这是x = 0的点。
To answer this question we must substitute the value of x = 0 into our equation wherever we see x.
Therefore, our answer is D 12.
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