If the function f (x) = 2x minus ax plus 5 is even, then a is equal to?

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• 1. If the function f (x) = x square + ax is even, then what is a equal to?
• 2. If f (x) = ax square plus bxjia 3A plus B is even function, and the domain of definition is (a-1,2a), then how much is a equal to? How much is B equal to?
• 3. If the function y = sin (x + &) (0 ≤ & ≤ π) is an even function on R, then what is the number of
• 4. The function y = sin (x + β) (0 ≤ β ≤ π) is an even function on R. how to find the value of β?
• 5. If the function y = sin (x + Q) (0 ≤ Q ≤ PI) is even on R, what is the value of Q
• 6. If the function y = sin (x + a) is even, then the possible value of a is?
• 7. If the function y = sin (2x + φ) (0 is less than or equal to φ, less than or equal to π) is an even function on R, then= The function y = sin (2x + φ) is an even function on R, Then sin (- 2x + φ) = sin (2x + φ) The expansion is: sin φ cos2x cos φ sin2x = sin φ cos2x + cos φ sin2x So cos φ sin2x = 0. Cos φ = 0, φ = π / 2 "Ask," how is it expanded: sin φ cos2x cos φ sin2x = sin φ cos2x + cos φ sin2x "
• 8. It is known that the function f (x) = ax to the third power + 2x to the second power + bx-4 has a maximum value - 4 when x = - 1 (1) Find the analytic expression of y = f (x), and find the monotone interval (2) Solving inequality f '(x) > ax + A
• 9. It is known that f (x) is an odd function on R. when x is greater than or equal to 0, f (x) = 2 to the power of X + 2x + B, then f (- 1) is an important process
• 10. If f (x) = AX2 + BX + C is an even function in the interval [a, C], then the monotone increasing interval of F (x) is
• 11. If f (x) satisfies f (x) + 2F (1 / x) = 3x (x is not equal to 0), then f (x)=
• 12. It is known that when x = - 2, the value of the cubic power + BX + 3 of the polynomial ax is 0, then when x = - 2, the value of this algebraic expression is 0______ Quick good to points! It is known that when x = - 2, the value of polynomial a multiplied by the third power of X + BX + 3 is 0, then when x = - 2, the value of this algebraic expression is 0______ Quick good to points!
• 13. X = 2. Ax ＾ 2 + bx-3 is 6. If x = 1, the algebraic formula (2aX ＾ 3 + bx-5) ＾ 3 is X
• 14. When x = - 2, the value of ax ^ 3 + bx-63 is 17. Find the algebraic formula - 2aX ^ 3-20-2bx when x = 2
• 15. X = 2, the fifth power of the polynomial ax + the cube of BX + cx-5 value = 9, x = - 2, the polynomial (A-4) of X, the cube of X - the B power of X + X-B is a binomial, a =, B=
• 16. The parabola y = 2x & # 178; + 8x + 3 has several common points with the X axis. The coordinates of the common points are
• 17. P: Is "1 - (x-1) / 3" = - 2 or 1 + m > = 10? Plus m > 0 in the stem, when I solve it, it's 0 What about the solution of x > 10
• 18. Given that P: {x | - x ^ 2 + 8x + 20 ≥ 0}, Q: {x | - 1-m ≤ x ≤ 1 + m, M > 0}, if P is not a necessary and sufficient condition for Q, the value range of M is obtained
• 19. Calculate (4x ^ 2-25y ^ 2) divided by (2x-5y) (2) (2x ^ 2-2x + 1 / 2) divided by (x-1 / 2) Solving the equation 2x ^ 2-3x = 0 (3y+5)^2=4y^2
• 20. The square of a minus one ninth of x equals (a plus one third of x) (); the square of 4x minus the square of 25y equals () (2x minus 5Y) Fill in the blanks