Mathematics 1 Deneme Sınavı Sorusu #1254987

At which point on the graph of the function y = 6x² - x – 1 the slope is zero?


(-1,6)

(1,4)

(0,-1)

(6,-1)

(4,1)


Yanıt Açıklaması:

f(x)=6x² - x – 1

f'(x)=12x – 1

for x=0,  f'(x)= – 1

and the output of the function at x=-1 is f(-1)=6(-1)² -(-1)– 1=6

The point is (-1,6)

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