The function $f(x)=x^3,$ is increasing for :
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → For all real values of x
So $f'(x)=3x^2≥0$ for all $x∈R$
so $f(x)$ is increasing for every $x∈R$
The function $f(x)=x^3,$ is increasing for :
Correct answer: option 3
The correct answer is Option (3) → For all real values of x
So $f'(x)=3x^2≥0$ for all $x∈R$
so $f(x)$ is increasing for every $x∈R$