Question

Are there any values that make f(x)= xe^1-x
equal to zero or a negative number?

Answer 1

x will be 0 and x will be negative.

\[x \le 0\]

Answer 2

Its negative when x<= 0. exponent function is always positive. so the negative sign comes to x and sticks

Answer 3

for all negative values of x the f(x) will be negative or zero..

Answer 4

f(0) is 0 and f(x negative) is -