新SAT数学OG真题Test04 Section4 Q21!SAT数学中代数和函数类题型主要考察方程和不等式，一次方程、二次方程的求解和运算，函数部分与坐标平面图形的对应。下面智课网为大家整理了SAT数学OG真题中关于代数和函数的真题解析，大家可以做下练习。

以下为新SAT OG Test04 数学 Section4 Q21真题：

21

Energy source

The bar graph above shows renewable energy consumption in quadrillions of British thermal units (Btu) in the United States, by energy source, for several energy sources in the years 2000 and 2010.

In a scatterplot of this data, where renewable energy consumption in the year 2000 is plotted along the x-axis and renewable energy consumption in the year 2010 is plotted along the y-axis for each of the given energy sources, how many data points would be above the line y=x?

A . 1

B . 2

C . 3

D . 4

正确答案为C

答案解析

Choice С is correct.

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