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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

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) 