首页
登录
职称英语
For all real numbers p and r, p◇r= pr- p+r.Column A Column B
For all real numbers p and r, p◇r= pr- p+r.Column A Column B
游客
2024-01-12
56
管理
问题
For all real numbers p and r, p◇r= pr- p+r.
Column A Column B
(-4)◇5 5◇(-4)
选项
A、if the quantity in Column A is greater
B、if the quantity in Column B is greater
C、if the two quantity are equal
D、if the relationship cannot be determined from the information given
答案
A
解析
对于所有的实数(real number)p和r,有p◇r=pr-p+r成立。
解:本题的正确答案为(A)。◇表示一种函数运算法则,解答该题只要将数据代入表达式进行计算就可以了:(一4)◇5=-4×5-(-4)+5=-11;5◇(-4)=5×(-4)-5+(-4)=-29
转载请注明原文地址:https://tihaiku.com/zcyy/3356824.html
相关试题推荐
Iffandgaredistinctprimenumberslessthan10,whichofthefollowingcanno
Thesumofthenon-primenumbersbetween40and50,non-inclusive,isA、131B、176
Ifx,y,andwarenonzeronumbersandx-y=w,whichofthefollowingisequalto
If[img]2011q3/ct_egmatqm_egmatqchoose_0454_201121[/img]forallnumbersq,r,s
Forany3givennumbers,whichofthefollowingisalwaysequivalenttoaddingt
Sixdifferentnumbersaretobeselectedfromthe(0,1,2,3,4,5,6)tocompos
Howmany3-digitnumbersbetween100and200haveadigitthatistheaverageof
Alisthas100numbers,theexpectationofthelistis10andthestandarddevia
Inhowmanyofthewholenumbersbetween100and200doesthedigit6occurexac
Ofthenumbersq,r,s,andt,whichisgreatest?(1)Theaverage(arithmeticme
随机试题
PlanningtheStart-up?SeizetheDay…Executiveswhosayth
Man:Excuseme.Doyouneedsomehelp?Women:Well...I’mtryingtogettother
1岁患儿,发热3天,体温39~40℃,发病以来食欲和精神好,曾用青霉素,未用退热
女性患者,36岁。引产1周后发热伴腹痛2天。体查:全腹软,少量阴道血性分泌物,宫
体温在39℃以上,一日内波动范围超过2℃者,多见于A.风湿热 B.伤寒
A.压疮 B.肌力减弱 C.关节畸形 D.肌肉萎缩 E.吸入性肺炎保持肢
下列关于公共设施规划布局的表述中,不正确的是()。A.各类公共设施应按城市的
共用题干 下面是某求助者MMPI-2的测验结果:关于该求助者的测验结果,正确的
某银行挂出英镑对美元的牌价为GBP1=USD1.5100/1.5130,该银行
根据《水利工程建设项目施工监理规范》,水利工程建设项目施工监理开工条件的控制中不
最新回复
(
0
)