f(x) = 30x^2 + 3.5x^2 Step 1: Simplify the function +Since both terms contain x^2, we add them together: f(x) = (30+3.5)x^2 = 33.5x^2 Step 2: Calculate the derivative -Use the basic derivative formula (x^n)' = n times x^n-1: f'(x) = 33.5 times 2 times x^2-1 : f'(x) = 67x => Derivative of a function: 67x
