The least value of a when `f(x)=x^(2)+ax+1` is increasing on (1, 2) is

Find the least value of a such that the function f given by f(x) = x^(2) + ax + 1 is increasing on [1, 2]?

Find the least value of a' such that the function f(x)=x^(2)+ax+1 is increasing on [1,2]. Also find the greatest value of 'a' for which f(x) is decreasing on [1,2]

If yR' is the least value of 'a' such that the function f(x) = x^(2) + ax +1 is increasing on [1, 2] and 'S' is the greatest value of ' a' such that the function f(x) = x^(2) + ax +1 is decreasing on [1, 2], then the value of |R — S| is_____________

For what values of a the function f given by f(x) = x^(2) + ax + 1 is increasing on [1, 2]?

For what values of a the function f given by f(x) = x^(2) + ax + 1 is increasing on [1, 2]?

The set of values of a for which f(x)=x^(3)-ax^(2)+48x+1 is increasing for all real values of x is

For what values of a the function f given by f(x) = x^2 +ax + 1 is increasing on [1, 2] ?

Find the least value of ' a ' such that the function f(x)=x^2+a x+1 is increasing on [1,\ 2] . Also, find the greatest value of ' a ' for which f(x) is decreasing on [1,\ 2] .