2﹙10-0.5x﹚=-﹙1.5x-2﹚=?4x+3﹙2x-3﹚=12-﹙x+4）=?

RELATED INFORMATIONS

• 1. If 2F (x) - f (1 / 3) = 3x + 2, find the analytic expression of F (x)
• 2. Find the range of function y = 3x & # 178; + (1 / 2x & # 178;)
• 3. Given the function f (x) = 2mx2-2 (4-m) x + 1, G (x) = MX, if at least one of F (x) and G (x) is positive for any real number x, then the value range of real number m is () A. （0，2）B. （0，8）C. （2，8）D. （-∞，0）
• 4. I just did a question: Given any function f (x), for any x, y, f (x + y) = f (x) + 2Y (x + y). F (1) = 1, find the analytic expression of F (x) The answer is this Let x = 0, y = 1 Then f (0) = - 1 Re order x=0,y=x Then f (x) = f (0) + 2x (0 + x) So f (x) = 2x ^ 2-1 Look at my assignment again Let x = 1, y = - 1, f(0)=f(1)+0. Why is f (0) = 1 now? Please point out my mistakes or assignment requirements
• 5. A typical example of urgently seeking the definition field of abstract function Give some typical examples. Remember to attach the answers
• 6. X ^ - 9x + 20 = 0 by factorization
• 7. The mixed solution of 5x ^ 2 = 4-2x equation is solved by quadratic equation of one variable
• 8. The parameter equation ellipse 2x square + 3Y square = 6 has the shortest distance to the line 2x + 3y-6 = 0 In the previous steps, I will, d = | 2 √ 3cosa + 3 √ 2sina-6 | / √ (2 ^ 2 + 3 ^ 2) And then I won't Teach me the method Actually, I don't know the auxiliary angle formula! Is it √ A & # 178; + B & # 178; then it must be sin (not COS)?
• 9. (1) Given that the point P is on the ellipse (X-2) ^ + 2Y ^ = 1, then the maximum value of Y / X is (2) The line L passing through the origin intersects with the curve C: x ^ / 3 + y ^ = 1. If the length of the line L cut by the curve C does not exceed the root 6, then the value range of the inclination angle a of the line L is (3) If the ellipse x ^ / A ^ + y ^ / b ^ = 1 (a > b > 0) passes a certain point (2,1), what is the value range of a
• 10. Given that the line L: x + 2Y = 0, P is any point on the ellipse x ^ 2 / 4 + y ^ 2 = 1, find the maximum distance between the point P and the line l?
• 11. When doing polynomial multiplication, Xiao Li found that: by using the law of distribution of multiplication to expand the multiplication of polynomials and polynomials, the phenomenon of missing terms may appear after merging the similar terms. Now there is a quadratic trinomial X & # 178; + 2x + 3, which is multiplied by a binomial ax + B, the product does not appear a quadratic term, and the coefficient of the quadratic term is 1, so we can find the value of a and B Why is there no primary term and why is the coefficient of the secondary term 1
• 12. 3 × 2 + 2x = 12 solution equation
• 13. Solving the equation: 2x-1 / 3-10x + 1 / 12 = 2x + 1 / 4 Will increase the reward of wealth
• 14. Solve the equation x + 1 / X-1 + 1-2x / 2x = 0
• 15. X + y + Z = 35 2x-y = 5 1 / 3 y = 1 / 2 Z
• 16. Simplification: [(x ^ 2 + 18x + 72) / (x + 12) - (x ^ 2 + 5x-6) / (x-1)] · (x ^ 3-2x ^ 2-x + 1)
• 17. How to calculate 4 (2x-1) - 3 (5x + 2) = 3 (2-x)?
• 18. 5x = 3Y, X-Y = 4 write the process of equations, 1 / 2x = - 2 / 3Y, 2x + y = 7 write the process of equations
• 19. 5x-7 / 6 + 1 = 2x-1 / 4
• 20. 2x-2 plus 5 / 5 of X-1,