Q1. Choose the correct option.
Q2. Write down short answers of following questions.
Q3. Write detailed answers of the following questions. (Answer any 2) (2×5=10)
1. Derivative from First Principle
Find the derivative of √x at x = a from first principle.
2. Tangent Line to Square Root Function
Find the gradient and an equation of tangent line to the graph of f(x) = √x at x = 9.
3. Instantaneous Velocity
A stone is thrown upwards and its height after t seconds is given by: s(t) = -16t² + 32t + 10 (in feet). Find the instantaneous velocity at t = 1.