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(a) Find the differential dy and (b) evaluate dy for the given values of x and dx . 0 votes

(a) Find the differential dy and (b) evaluate dy for the given values of x and dx .

You are watching: Find the differential dy. y = 15 + x2

differentialaskedJan 20, 2015in CALCULUSby anonymous
Please log in or register to add a comment. Please log in or register to answer this question. 1 Answer 0 votes

Step 1:

(a)

The function is

Differentiate the function with respect to

.

Use the property :

Apply power rule of derivatives :

.

Apply constant rule of derivatives :

Hence,

The differential function is

.

Step 2:

(b)

The differential function is

.

Substitute

in above function.

See more: 11*.25 - Fraction To Decimal: 11/25

Solution :

(a)

The differential function is

.

(b)

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