sagarthakur sagarthakur

09-02-2020
Physics

contestada

If y=x^2 + 2x, then dy/dx at x=4 is?
(a)4
(b)6
(c)8
(d)10

Respuesta :

ohiekulous ohiekulous

09-02-2020

Answer:

10

Explanation:

y=x^2 + 2x

dy/dx = 2x +2

when x = 4

dy/dx = 2(4) + 2

= 8 + 2

= 10

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