If F(x) = k where 'k' is constant then `Delta^2f(x)=?`

If f(x)=C, wherr 'C' is constant then Delta f(x) = ?

If f(x) = k, a constant, find the value of Deltaf(x) .

Prove that the constant function f (x)= k, where k is a constant, is continuous

Magnitude of force F experienced by a certain object moving with speed v is given by F = Kv^2 where K is a constant. Find the dimensions of K.

If U_x = k_v a constant,evalute Delta U_x

If f(x) = 2^x then find the value of Delta2^x , for x= 2 and h= 1.

If f(x)=[x], where [x] is the greatest integer function then find f(√2) ,f(3),f(-1.3),f(0),f(-1).

If f(x)=x|x| , then find f'(0).

If the function f(x)={{:((sin x)/(x) + cos x", if " x ne 0 ), (k", if " x =0 ):} is continuous at x=0, then find the value of k.