GoldRush18
a.find the gradient of the curve f(x)=x^24x+3 at x=3
b. find the first derivative of the function
y=23x^2 at the point (1, 1)



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For Slope find f'(x)

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f(x)=x^24x+3
f'(x) = 2x  4

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Nw put x = 3
f'(x) = 2* 3  4 = 2

abb0t
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Follow @Yahoo! he is givin away words of wisdom :)

GoldRush18
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thank u so much :)

GoldRush18
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but what about part b @Yahoo! what must i do with the 2 points

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Just Differentiate