For the function f(x)= x2 + x, what is the value of f(-5)?

admin2013-02-19 27

问题 For the function f(x)= x² + x, what is the value of f(-5)?

选项

答案20

解析 To solve, substitute -5 for x in the function:
f(-5)=(-5)² +(-5)
f(-5)= 25-5
f(-5)= 20

转载请注明原文地址:https://kaotiyun.com/show/mVkO777K

本试题收录于： GRE QUANTITATIVE题库GRE分类

GRE QUANTITATIVE

GRE

相关试题推荐

ChokweSelassieisonamissiontohelpdriversavoidpotholes(路面坑洼).Theeighth-graderwasinspiredtokickoffhismissionon
Thesciencebehindsolar(太阳的)energyisnotnew.ButSheridanCommunitySchoolsisthefirstschooldistrictinIndianatobec
WehavequiteabitofinformationaboutancientEgyptianmedicine．Doctors’instructionshavebeenfoundtotellus【56】theydid
AsTheplanecircledovertheairport,everyonesensedthatsomethingwaswrong.Theplanewasmovingunsteadilythroughtheair
AsTheplanecircledovertheairport,everyonesensedthatsomethingwaswrong.Theplanewasmovingunsteadilythroughtheair
Allthefollowingcasesareon-the-jobsmokingexceptthat______.Accordingtothepassage,on-the-jobsmokingaffectsanemplo
Regretisascommonanemotionasloveorfear,anditcanbenearlyaspowerful.So,inanewpaper,tworesearcherssetabout
TheAmericansgotothemoviesmainlybecausetheywant______.Whichofthefollowingispeople’snormalresponsetothemovie
AftersixmonthsoflivinginNewZealand,Irealizedonething.Despitemy【C1】______forgreatercontactwithlocalstudents,un
3(x-4)=5x-Solveforx.

随机试题

下列选项中，属于消化性溃疡复发危险因素的有
口服铁剂治疗小儿缺铁性贫血，为促进铁的吸收到，应同时服用的药物是
患者朱某，女，53岁。素体气血不足，不慎感受风邪，症见口眼喁斜，言语不利，手足运动不灵活，舌苔白，脉浮数。治宜选用()
患者，男，72岁，1个月前因急性脑梗死致左侧肢体偏瘫入院，2周前出院。社区护士对患者进行访视，发现患者目前意识清晰，血压维持在145／95mmHg左右。左侧肢体偏瘫，右侧肢体肌力良好，皮肤弹性好。语言表达部分障碍。目前久卧床，可在床上独立进餐，现由老伴照料
周某将拍摄了其结婚仪式的彩色胶卷底片交给某彩扩店冲印，并预交了冲印费。周某于约定日期去取相片，彩扩店告知：因失火，其相片连同底片均被焚毁。周某非常痛苦，诉至法院请求彩扩店赔偿胶卷费、冲印费损失及精神损害。下列哪些选项是正确的?()
房地产的最高最佳使用状态不包括()。
如果说，人类已知的“明知识”（即可以用文字、公式、程序、语言表达出来的知识）是冰山的一小角，那么“暗知识”（人类不可感受又不可表达的新知识，即今天正被新机器“发现”的新一类知识）就是冰山下面最大的那块。暗知识会是未来统治和占领整个知识空间最大量的一种知识。
(2010年试题，21)设二次型f(x1，x2，x3)=xTAx在正交变换x=Qy下的标准型为y12+y22，且Q的第三列为求A；
关于UML的描述，不正确的是：()。
Thelawisgreatmassofrules,showingWhenandhowfaramanis【S1】______tobepunished,ortobemadetohandovermoneyorp

最新回复(0)

For the function f(x)= x2 + x, what is the value of f(-5)?

GRE QUANTITATIVE

GRE

ChokweSelassieisonamissiontohelpdriversavoidpotholes(路面坑洼).Theeighth-graderwasinspiredtokickoffhismissionon

Thesciencebehindsolar(太阳的)energyisnotnew.ButSheridanCommunitySchoolsisthefirstschooldistrictinIndianatobec

WehavequiteabitofinformationaboutancientEgyptianmedicine．Doctors’instructionshavebeenfoundtotellus【56】theydid

AsTheplanecircledovertheairport,everyonesensedthatsomethingwaswrong.Theplanewasmovingunsteadilythroughtheair

AsTheplanecircledovertheairport,everyonesensedthatsomethingwaswrong.Theplanewasmovingunsteadilythroughtheair

Allthefollowingcasesareon-the-jobsmokingexceptthat______.Accordingtothepassage,on-the-jobsmokingaffectsanemplo

Regretisascommonanemotionasloveorfear,anditcanbenearlyaspowerful.So,inanewpaper,tworesearcherssetabout

TheAmericansgotothemoviesmainlybecausetheywant______.Whichofthefollowingispeople’snormalresponsetothemovie

AftersixmonthsoflivinginNewZealand,Irealizedonething.Despitemy【C1】______forgreatercontactwithlocalstudents,un

3(x-4)=5x-Solveforx.

下列选项中，属于消化性溃疡复发危险因素的有

口服铁剂治疗小儿缺铁性贫血，为促进铁的吸收到，应同时服用的药物是

患者朱某，女，53岁。素体气血不足，不慎感受风邪，症见口眼喁斜，言语不利，手足运动不灵活，舌苔白，脉浮数。治宜选用()

房地产的最高最佳使用状态不包括()。

(2010年试题，21)设二次型f(x1，x2，x3)=xTAx在正交变换x=Qy下的标准型为y12+y22，且Q的第三列为求A；

关于UML的描述，不正确的是：()。

Thelawisgreatmassofrules,showingWhenandhowfaramanis【S1】______tobepunished,ortobemadetohandovermoneyorp