SAT I 每日一问:2013年3月27日
作者:沪江英语
来源:CollegeBoard
2013-03-27 09:47
The Correct answer is B.
Explanation
The graphs of all the given functions are lines, and the equations are all in the form . When a linear equation is in the form , the slope of the graph of the equation is , the coefficient of . The graph of the function is a line with slope , so the only choice that could be the equation of is .