Out 100, time 100.
1. Multiple-choice question: This big question has *** 10 small questions, with 4 points for each small question and 40 points for * * *. Only one of the four options given in each small question meets the requirements of the topic, and the answer is filled in the table.
The title is 1 23455 6789 10.
answer
1. let U = {0, 1, 2,3,4}, A = {0, 1, 2,3}, B = {2 2,3,4}, then (A) (B)= ().
(A){0} (B){0， 1} (C){0， 1，4} (D){0， 1，2，3，4}
2. proper subset with the set {1, 2,3} has ().
Five (b) six (c) seven (d) eight
3. Function y= Yes ()
(1) odd function (2) Even function (3) Non-odd non-even function (4) odd function and even function.
4. The following relationship is correct ()
()& lt()& lt()(B)()& lt； ()& lt( )
()& lt()& lt()(D)()& lt； ()& lt( )
5. If,, then ()
(A) (B) (C) (D)
6. Given log7[log3(log2x)]=0, then x is equal to ().
(A) (B) (C) (D)
7. The domain of function y= is ()
(A)(， 1) ( 1，+ )(B)(， 1) ( 1，+ )(C)(，+ )(D)(，+)
8. The interval where the zero of the function f (x) =-4 is located is ().
(A)(0， 1) (B)(- 1，0) (C)(2，3) (D)( 1，2)
9. 1998 The output value of a factory is 10000 yuan, and it is estimated that the output value will increase by n% every year, so the output value of 20 10 (unit: ten thousand yuan) is ().
(A)A( 1+n %) 13(B)A( 1+n %) 12(C)A( 1+n %) 1 1(D)
10. It is known that the distance between A and B is 150 km. A manned car travels from A to B at a speed of 60 km/h, and returns to A at a speed of 50 km/h after B stops at 1 h. The functional expression of the distance X from A is expressed as time t (hours).
(A)x = 60 tons (B)x = 60 tons +50 tons.
(C)x= (D)x=
Fill in the blanks (4 points for each small question, *** 16 points)
1 1. Let the sets A={}, B={x} and A B, then the range of the real number k is.
12. If loga2 = m, loga3 = n, A2m+n =.
13. The known function is =.
14. If the domain of the function is and the range of the function is, then the range of is.
3. Solution: This big question is ***4 small questions, with ***44 points. The solution should be written in proof process or calculus steps.
15. (There are two small questions in this question, each with 5 points, *** 10. )
(1) When, calculate.
(2) calculation.
16 (this question 10)
It is proved that this function is a increasing function on (-∞, 0).
17 (subject 12)
Find inequality > (> 0, and the value range of x is ≠ 1).
18 (this question 12)
If the goods bought in 40 yuan are sold in 50 yuan, 500 pieces will be sold. If the price increases by 1 yuan, the sales volume will decrease by 10. What should be the sales price to maximize profits?
Reference answer to compulsory questions of mathematics in senior one.
First, multiple choice questions
The title is 1 23455 6789 10.
Answer C C A D C C A D B D
Second, fill in the blanks
1 1.[- 1, ] 12. 12 13.8 14.
Third, answer questions.
15.( 1) ; (2) .
16. Omit
17. For > (> 0 and ≠ 1),
When > 1, there is 2x-7 > 4x- 1.
X
When 0 < < 1, 2x-7 < 4x- 1,
The solution is x >-3.
Therefore, when > 1, the value range of x is;
When 0 < < 1, the value range of x is.
18. Let the selling price be 50+x and the profit be Y yuan.
y =(500- 10x)(50+x-40)=- 10(x-20)2+9000，
So when x=20, Y gets the maximum value, that is, makes the maximum profit, and the selling price should be 70 yuan.
Forecast the average score of the whole city: 68 points.
Zengcheng Licheng Middle School Senior 1 Preparation Team