求反函数 y=log_{6}(x^4)

解答

求反函数

y = lo g_{6} (x^{4})

6^{\frac{x}{2}}, - 6^{\frac{x}{2}}

求解步骤

y = lo g_{6} (x^{4})

用

y

替代

x

x = lo g_{6} (y^{4})

求解

y, x = lo g_{6} (y^{4})

6^{\frac{x}{2}}, - 6^{\frac{x}{2}}

l in e (4, 13), (- 10, - 36)

d o main f (x) = 7 x + 9 y = 8

s l o p e in t erce pt y = 3 x + 2

d o main cos (2) (x - \frac{π}{2})

in t erce pt s 2 x^{3} + 8 x^{2} - 8 x - 32