Calculus

Differentiation Rules

Differentiation Rules Problem Solving

Consider a function f ( x ) f(x) satisfying f ( x ) = f ( 4 x 2 ) f(x)=f(4x-2) for all real values x x . If f ( x ) f(x) is differentiable for all x x and f ( 4 ) = 40 , f'(4)=40, what is the value of f ( 54 ) ? f'(54)?

Given d d x ln x + 2 x 7 = f ( x ) 2 ( x + 2 ) ( x 7 ) , \frac{d}{dx} \ln \frac{x+2}{\sqrt{x-7}}=\frac{f(x)}{2(x+2)(x-7)}, what is f ( x ) ? f(x)?

The polynomial P ( x ) P(x) satisfies the following identity: P ( P ( x ) + x ) = 11 ( P ( x ) + x ) 2 4 ( P ( x ) + x ) + 5. P \left( P(x) + x \right) = 11 \left( P(x) + x \right)^2 - 4 \left( P(x) + x \right) + 5 . What is the value of P ( 6 ) ? P'(6)?

Given g ( x ) = x sin 1 ( x 24 ) + 576 x 2 , g(x)=x \sin^{-1} \left(\frac{x}{24}\right)+\sqrt{576-x^2}, what is the value of g ( 12 ) g'(12) ?

Let g ( x ) g(x) be the inverse function of a differentiable function f ( x ) . f(x). If f ( 3 ) = 7 f(3)=7 and f ( 3 ) = 1 2 , f(3) = \压裂{1}{2}, what is the value of lim h 0 g ( 7 + h ) g ( 7 ) h ? \lim_{h \to 0} \frac{g(7+h)-g(7)}{h}?

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