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Multiple Choice
Find the indicated derivative. y=25x5+2x3+6x−4√3
y′=
A
5x4+3x2+6
B
225x4+6x2+5
C
225x5+6x3+6x−1
D
225x4+6x2+6
Verified step by step guidance
1
Step 1: Identify the function to differentiate. The given function is y = (5/2)x^5 + 2x^3 + 6x - (√3)/4. This is a polynomial function, and we will apply the power rule to each term individually.
Step 2: Recall the power rule for differentiation. The power rule states that if y = ax^n, then y' = n * ax^(n-1). We will apply this rule to each term of the function.
Step 3: Differentiate the first term (5/2)x^5. Using the power rule, the derivative is (5/2) * 5 * x^(5-1) = (25/2)x^4.
Step 4: Differentiate the second term 2x^3. Using the power rule, the derivative is 3 * 2 * x^(3-1) = 6x^2. Similarly, differentiate the third term 6x, which gives 6, and the constant term -(√3)/4, which has a derivative of 0 since the derivative of a constant is always 0.
Step 5: Combine all the derivatives. Adding the results from each term, the derivative of the function is y' = (25/2)x^4 + 6x^2 + 6.