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Given a function y=x^(2)-2sqrt(x). What ...

Given a function `y=x^(2)-2sqrt(x)`. What is rate of change in y with respect to x when x=I?

A

Zero

B

1

C

1.5

D

`-1.5`

Text Solution

Verified by Experts

The correct Answer is:
B
`y=x^(2)-2sqrtx`
`(dy)/(dx) =2x xx1/2 (x)^(1/2)`
`(dy)/(dx)|_(x=1)=2xx1-(1)/(sqrt1)=1`
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