If the maximum value of a function y = (M & # 178; - 1) x + M & # 178; - 5m-6 in the closed interval [- 1,2] is 1, find the value of M
Classification 1: m ^ - 1 > 0, M > 1 or m ^ - 1
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- 1. If f (x) = (M & # 178; - m-1) x ^ (M & # 178; + m + 3) is a power function, and if x ∈ (0, positive infinity), f (x) is an increasing function, find the analytic expression of F (x)?
- 2. Given the power function f (x) = x ^ m, and f (2)
- 3. If the polynomial MX ^ 3 + 3nxy ^ 2-2x ^ 3 + XY ^ 2 + y contains no cubic term, then 2m + 3N =?
- 4. Given the power function y = f (x), the image passes through the point (9, one third) to find the value of F (36)
- 5. Given that the image of power function y = f (x) passes through point (9,1 / 3), find the value of F (36) Process is the most important thing
- 6. Given the power function y = f (x), if the image passes 9 (2, root 2), then f (9) =?
- 7. If the image of power function y = f (x) passes through point (2,2), then f (9)=______ .
- 8. Given that the image of power function y = f (x) passes through point (4,2) 1, the analytic expression of F (x) is
- 9. Given that | B-5 | + (a + 6) 2 = 0, a and B are rational numbers, then (a + b) + (a + b) 2 + (a + b) 3 + +(a + b) two thousand nine power + (a + b) 2010 power +(a + b) 2011 power
- 10. The function defined on R is y = f (x), f (0) is not equal to 0, when x > 0, f (x) > 1, and for any a, B belongs to R, f (a + b) = f (a) f (b) (1) , prove that f (0) = 1; (2), prove that for any x belonging to R, f (x) > 0; (3), prove that f (x) is an increasing function on R; (4), if f (x) * f (2x-x Square) > 1, find X
- 11. The function y = (m-2) x ^ (M & # 178; - 5m + 7) + M-4 is known? Given function y = (m-2) x ^ (M & # 178; - 5m + 7) + M-4 (1) What is the value of m when it is a linear function? (2) When it is a linear function, draw a sketch and indicate which quadrants its image passes through Answer the second question,
- 12. Calculate the second power of - 3 times the third power of 2
- 13. Let the third power of polynomial X - the second power of 6x y + the second power of 12xy - the third power of 8y + 1 be written as the sum of two integers, so that one of them does not contain letters
- 14. Why is the diameter of the molecule 0.1nm? How to convert it? Conversion of microscopic length
- 15. What are the mathematical length units of 1nm, 1dm and 1um?
- 16. What is the diameter of the molecule? How many molecules are equal to 1 nm? Molecules are made up of atoms. The radius of atoms is (0.3) * 10 minus 10 square. Some people say that the order of molecular diameter is 1 angstrom, 1 angstrom = 10 ^ - 10 meters, 1 nanometer = 10 ^ - 9 meters, so about 10 molecules are arranged in a straight line, and the length is about 1nm. But the diameter of atoms is equal to that of molecules. Is the molecule made up of only one atom?
- 17. How much is the square of the nth power of a multiplied by the 2n of a plus the nth power of the 1st power multiplied by the 3N power of a
- 18. What's tiger calculating? Divide by 2 / 3. By mistake, divide by sign to see one thirtieth of the result. What's the correct answer?
- 19. When the careless tiger calculates a number divided by 2 / 3, the wrong number multiplied by 2 / 3, the result is 10. What is the correct result?
- 20. When Xiao Hu calculates a number multiplied by 1.5, he wrongly writes that he divides it by 1.5, and the result becomes 2.4. The correct result of this problem should be ()