数学英语问题,高手来翻译 用翻译工具的别来

数学英语问题,高手来翻译 用翻译工具的别来
1.use the function found in part(b) to determine the age at which an individual can expect to earn the most income 2.use a graphing utility to find the quadratic function of best fit to these data 3.usethe function found in part (b) TO DETERMINE THE AGE AT WHICH an individual can expect to earn the most income 4.use the function found in part(B)topredict the peak in come earned 5. with a praphing utility gragh the qudratic function of best fit on the scatter diagram