Second and Higher Derivatives (HSC SSCE Mathematics Advanced): Quizzes

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Second and Higher Derivatives
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What does the second derivative of a function tell us about its graph?

Curvature and concavity

Which notation represents the second derivative?

f′′(x)f''(x)

After the third derivative, which notation is preferred for higher derivatives?

f(n)(x)f^{(n)}(x)

For a polynomial of degree nn, after how many derivatives do you get zero?

After n+1n + 1 derivatives

If y=x4+x3+x2+x+1y = x^4 + x^3 + x^2 + x + 1, what is d2ydx2\frac{d^2y}{dx^2}?

12x2+6x+212x^2 + 6x + 2

For f(x)=x−1f(x) = x^{-1}, what pattern appears in the signs of successive derivatives?

Signs alternate negative and positive

If f(x)=x−1f(x) = x^{-1}, what is f(3)(x)f^{(3)}(x)?

−6x4-\frac{6}{x^4}

What is the key step before finding the next derivative?

Simplify the current derivative

How do derivatives of functions with negative powers differ from polynomials?

They never become zero

By how much does the degree of a polynomial decrease with each differentiation?

Decreases by one

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