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Find the derivative of f(x) = 3x⁴ - 2x² + 5x - 7 and evaluate at x = 2

calculus_assignment.pdf

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I'll solve this step-by-step using calculus principles:

1

Step 1: Apply the power rule for each term

f'(x) = 3 · 4x³ - 2 · 2x¹ + 5 · 1x⁰ - 0

For each term of form ax^n, the derivative is a·n·x^(n-1)

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Step 2: Simplify the expression

f'(x) = 12x³ - 4x + 5

Multiply the coefficients and reduce the exponents

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Step 3: Evaluate at x = 2

f'(2) = 12(2)³ - 4(2) + 5

Substitute x = 2 into the derivative expression

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Step 4: Calculate the result

f'(2) = 12 · 8 - 8 + 5 = 96 - 8 + 5 = 93

Compute the final value through order of operations

Final Answer:

f'(2) = 93

This represents the instantaneous rate of change of the function f(x) at the point x = 2. In physical terms, if f(x) represented position, f'(x) would represent velocity.
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