Compute Δy and dy for the given values of x

alka8q7

alka8q7

Answered question

2021-11-17

Compute Δy and dy for the given values of x and
dx=x
y=x25x, x=4, x=0.5

Answer & Explanation

Befory

Befory

Beginner2021-11-18Added 19 answers

y=x25x
To find: Compute y and dy for x=4, x=0.5, dx=x
We begin with finding dy,
dy=f(x)dx
dy=(2x5)dx
Sunstitute the values of x and dx,
dy=(2(4)5)(0.5)
=1.5
Next,
y=f(x+x)f(x)
Substitute the values,
y=f(4+0.5)f(4)
=(4.525(4.5))(425(4))
=2.25+4
=1.75

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