The Second Derivative (VCE SSCE Mathematical Methods): Quizzes

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The Second Derivative
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What is the second derivative?

Derivative of the derivative

In function notation, what symbol indicates the second derivative?

f(x)f''(x) with double prime

If f(x)=2x2+4x+1f(x) = 2x^2 + 4x + 1, what is f(x)f''(x)?

44

What does the Leibniz notation d2ydx2\frac{d^2y}{dx^2} emphasize?

Derivative twice with respect to xx

What does the second derivative tell us about?

Curvature or concavity

If f(x)=9x22x2f'(x) = 9x^2 - 2x^{-2}, what is f(x)f''(x)?

18x+4x318x + 4x^{-3}

In motion, what does the second derivative of position d2xdt2\frac{d^2x}{dt^2} give?

Acceleration

What does the first derivative of position dxdt\frac{dx}{dt} give?

Velocity

If f(x)=4x332x52f'(x) = 4x^3 - \frac{3}{2}x^{-\frac{5}{2}}, what is f(x)f''(x)?

12x2+154x7212x^2 + \frac{15}{4}x^{-\frac{7}{2}}

How are f(x)f''(x) and d2ydx2\frac{d^2y}{dx^2} related?

Same mathematical operation

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