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Graph of derivative of f(x)
is a quadratic function.
Assertion: $f(x)$ is a quadratic function.
Reason: Derivative of every quadratic function is linear.
- (a)Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
- (b)Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
- (c)Assertion is true and Reason is false.
- (d)Assertion is false and Reason is true.

Answer
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From ISC 2025 Improvement Mathematics Paper 1, question 1(iii).