3. Applications of differentiation
Interactive practice questions
Suppose $y=x^3+24x^2+5x+65$y=x3+24x2+5x+65.
a
Find $\frac{dy}{dx}$dydx.
b
Find $\frac{d^2y}{dx^2}$d2ydx2.
c
Find the value of $x$x at which $\frac{d^2y}{dx^2}=0$d2ydx2=0.
Easy
1min
Suppose $y=5x^8$y=5x8.
Easy
2min
Suppose $y=\frac{2}{x}$y=2x.
Easy
2min
Suppose $y=\frac{2}{x^5}$y=2x5.
Easy
2min
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