Determine if the function f:R→R defined by f(x) = (X^2+1)/(X
来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/10 14:24:39
Determine if the function f:R→R defined by f(x) = (X^2+1)/(X^2+2) is a bijection.Explain
f is not bijiection
proof:
we can find tow members of R ,1 and -1 such that
f(-1)=f(1) = 2/3
so f is not into.
because bijection must be both into and onto.
therefore f is not bijection.
proof:
we can find tow members of R ,1 and -1 such that
f(-1)=f(1) = 2/3
so f is not into.
because bijection must be both into and onto.
therefore f is not bijection.
1.Does formula f(x)=1/(x²-2) define a function f:R->R?A
if f is the function given by f(x)=∫√t^2-t dt,(4→2x)then f'(
If the function f given by f(x)=x3 has an average value of 9
SAT数学思路f(x)=kg(x)+2The function above is defined in terms of
A function is defined by th equation d(x)=5(x-3)^2+1
if the function f satisfies the equation f(x+y)=f(x)+f(y) fo
Let f be the function with derivative given by f'(x)=sin(x*x
the function f given by f(x)=9*x^(2/3)+3x-6 has a relative m
英语翻译For all positive values of x,the function f is defined b
f(x)=1/3X+2 Determine the domain and range
1.let f be the function given by f(x)=2e^(4x^2).for what val
let f be the function that is given by f(x)=(ax+b)/(x^2-c) a