2017年SAT2真题

1、2017 SAT 21.lf h 0.0125, then (_- hA 0.0125B 1.025D 2.0125E 2.125f(2)2.lff(t) 3t2 8t 1, then f (3)3.A total of 500 tickets were sold for a school play,generating total sales of1$700.If tickets cost $4for adults and $2 for childre n,how many adult tickets were sold ?A 83B150C 283D 350E 4254.What is t

2、he greatest integer value ofn such that 1200?A17B18C 19D 20E 215.lf |x 29 ,which of the followi ng could equal | x3?D 10E116.ln the figure above,the measure of B is 48andAB 10 .What is the length of BC ?A 6.7B 9.0C 13.5D 14.9E 20.07.What is the radius of a sphere whose volume is75.8 cubic centimeter

3、s ?A 1.0 cmB 2.6cmC 3.2cmD 3.8cmE 5.6cm8.If 2x yand z - , then -4zEg9.For which of the following functions is f (2)f(4)?A f(x) 2xB f(x)x2 C f (x) (x3)2 D f(x)(x 3)2E f(x)10.In the xyplane, (9,k)is a point on the graph of f (x)3x .What is the value of k?A2B 27C 729D 6561E196831,5,10,10011.If two dist

4、i net nu mbers are chose n at ran dom from the set above,what is the p robability that theirsum will be greater than 100 ?A 0.17B 0.33C 0.50D 0.67E 0.8312.A store sets the p rice of an item as cost of the item plus a p erce nt markupf the st'ocost for a cen ta in item is $120a nd the store sets

5、p rice of the item at $174,what is the p erce nt markup ?A31%B45%C 54%D 69%E 145%13.In the xy plane ,two lines,l and n ,are perpendicular.If the equation of line l isy 4x c ,which of the following could be the equation of line n ?E y 4x c1A y 4x c B y 4x - c14.Three p airs of gloves-a red p air,a bl

6、ue p air,a nd a gree n p air are in a drawer.If gloves are removed at ran dom without retu rning any to the drawer,what is the minimum nu mber that must be removed inorder to guara ntee hav ing a matched p air of gloves ?E f(x) |x 416.The front and back faces of a rectangular crate haveo square mete

7、rs each.The top and bottom faces have area30 square meters each,and the remaining two faces have area! square meterseach.The crate takes upx cubic meters of space in a freight car.What is the value ofX ?A13B52C 60D 2197E 36004' 6, 9,与17.The first four terms of a geometric seque nee are show n. W

8、hich of the followi ng can be used togen erate the nth term of the seque nee for n 1 ?A(|)n1C4(|)nD 4 2(n 1)E4 n(n Q218.The positive zero of f(x)22x is closest to which of the following ?A 0.4B 0.5C 0.6D 0.7E 1.419.A system of two linear equations in x and yhas a unique solutio n. The soluti on is r

9、ep rese nted inthe xy plane by which of the following ?A The x intercepts of two linesThe y intercepts of two linesy g(x)y h（x）C The slope of two linesD The average x andy intercepts of two linesE The coord in ates (x, y) of the p oi nts of in tersect ion of two lines220.If f (x) x 1 ,which of the f

10、ollowing are true ?I . f (x) f( x) for all x.n . f (x) f (x) for all x. m . f(0) f( 1)A I onlyB m onlyC I and n only D n and m only E I , n ,and m21.If 2(x y) 8 and x2 y221 ,thenA222.The function f is given by f (x)x28x15. What is the least value of d such that f isincreasing for x d ?E 15y 2x23.If

11、(x, y) is a solution to the equation above and 1 x 1 ,which of the followi ng must be true ?A 2 y 2 B 1 y 3is an in teger greater tha n 2?24.Which of the following cannot be an interger if x2A"B X 5x 6x25.If log 1.05 x10 ,then xA1.00B 1.05C 1.63D 8.96E 11.22and h .What is the value of h( g( 2)

12、?26.The figures above show the graphs of functionsg227.(sin X cosx)A1 cos2xB1C 1 tan2 xD 1 sin2xE 4sin2 x2,the n g(2)28.lf f is the inverse function of g and f (3)4a 4b 4c 4e29.If16n,what is the average (arithmetic mean) of a, b,c and e in terms of n ?E 16n3O.ln the isosceles tria ngle show n in the

13、 figure above,the coord in ates of poinJ are ( 2,4) .IfLJ JH ,what is the equation of the line containing line segment LJ ?A y 2x B y2x 3E y 4x 231.The graph of yf (x) is shown in the figure above.Which of the following could be the figure of32.In2004there were approximately 293 million people livin

14、g in the United States.The population was in creas ing by app roximately 0.92 p erce nt per year.If the popu lati on continued to in crease at the same rate,a pp roximately how many millio ns of people would have bee n livi ng in the Un ited States in 2014?A127B 296C 321D 333E 7064321Set ASet BSet C

15、33.Each of the freque ncy distributi ons for the data sets show n above has a mea n 2fWhich of the followi ng lists the data sets in order accord ing to their sta ndard deviati on from least to greatest ?AC,A, BB C,B, AC A,B,CD B,C, AE A,C,B34.A parallelogram has sides of length50 centimeters and 75

16、 centimeters.If the smaller angle of the parallelogram measures 45 .what is the length of the shorter diagonal,to the nearest centimeter ?A 50B 53C 71D 90E 11635.A certa in radioactive substa nee deco mp oses at a rate such that the amount of mass rema ining at the1end of each day is the amoun t lef

17、t at the end of the p revious day.If the mass at the beg inning of the2first day is M o ,which of the following could express the mass remaining at the end oft days ?E MoA2MotB 2(M0)tE 2t36.For which of the following values of x in the interval 0,2 isf(x)2 undefined ? 3sin x 2A 0.73B 2.30C 2.41D 2.7

18、4E 3.87o37.In the figure above,OA and OB are radii of the unit circle with center O .Which of following respresents the length of chordAB ?A2sinB sin(2 )C cos(2 )D 2cos(2 )38.lf 3x9 ,what is the maximum value of xy?a|B?d81439. What are the recta ngular coord in ates of the point which po lar coordia

19、 ntes2,200 ) ?A( 1.88, 0.68) B ( 0.94, 0.34) C ( 0.68, 1.88) D ( 0.47, 0.17) E ( 0.34, 0.94)4O.The p roduct of two differe nt p rime nu mbers is less than26 .What is the greatest po ssible value forone of the nu mbers ?B11C 13D 19E 233?41. What is the period of the function f ,where f (x)cos( x)2A-2

20、x dollars before tax,which of the following42.At My Video,the regular price for a previously owned video game isd dollars.The store is having a clearanee sale with all previously owned video gameslO percent off the regular price.lf during this sale,Roger buys n previously owned video games for must

21、be true ?An x 0.6dBn x 0.4dC n 0.6xdx0.4dE n0.6d43.|f 2 Aand sin A 0.3,what iscos A?A 0.9553B 0.95390.30.866E 0.953944.The height h ,in feet,of a ball that is thrown with an initial velocity of 48 feet per second can be2determined by the equation h 16t48t, after the ball reaches its maximum height w

22、ill its heightbe 20 feet ?A 0.5 seco ndB 1 secondC 1.5 secondD 2 secondE 2.5 second45.If(X46.lnB 5(x 2)the figure above , ABC is similar toc£DEF2ofAC toand the ratioDF is 3 to 2 .If2) f(X)approaches 5,as x approaches 2 ,which of the following could be equal to f (x)?BCB 4.7D 7.1E 7.69 ,what is

23、the lenght of side DE ?47.Two jun iors and three seniors will be chose n to form the Booster Committee.They will be selected from a p ool of six jun iors and eight senio rs.How many differe nt five-person comb in atio ns are p ossible in formi ng this committee ?A 77B 366C 840D 2002E1008048.For which of the following functions is f