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Topic 14
14. Calculus
Objectives in this topic
14.1. Understand derived functions
Understand the idea of a derived function.
Only an informal understanding of limits is expected; differentiation from first principles is not required.
14.2. Use differentiation notation
Use notation for derivatives and increments, including f'(x), f''(x), dy/dx, d^2y/dx^2, delta y / delta x and the limiting notation as delta x -> 0.
14.3. Differentiate standard functions
Know and use derivatives of x^n for any rational n, sin x, cos x, tan x, e^x and ln x.
Includes constant multiples, sums and composite functions using the chain rule.
For trigonometric functions, angles are always in radians.
14.4. Differentiate products and quotients
Differentiate products and quotients of functions.
14.5. Find gradients, tangents and normals
Use differentiation to find gradients, tangents and normals.
14.6. Find stationary points
Use differentiation to find stationary points.
Points of inflexion are not included.
14.7. Apply differentiation to rates and approximations
Apply differentiation to connected rates of change, small increments and approximations.
14.8. Apply differentiation to maxima and minima
Apply differentiation to practical problems involving maxima and minima.
14.9. Use derivative tests for maxima and minima
Use first and second derivative tests to discriminate between maxima and minima.
Points of inflexion are not included.
Give full justification of conclusions.
Explain how to distinguish between a maximum point and a minimum point when required.
Unless specified otherwise, any valid method is allowed.
14.10. Understand integration as reverse differentiation
Understand integration as the reverse process of differentiation.
Solutions for indefinite integrals should include an arbitrary constant.
14.11. Integrate powers of x
Integrate sums of terms in powers of x, including 1/x and 1/(ax + b).
Solutions for indefinite integrals should include an arbitrary constant.
14.12. Integrate standard composite functions
Integrate functions of the form (ax + b)^n for any rational n, sin(ax + b), cos(ax + b), sec^2(ax + b) and e^(ax+b).
Includes the case where n = -1.
For trigonometric functions, angles are always in radians.
Solutions for indefinite integrals should include an arbitrary constant.
14.13. Evaluate definite integrals and areas
Evaluate definite integrals and apply integration to plane areas.
Plane areas include areas between a line and a curve, between two curves, and a sum of two areas.
14.14. Apply calculus to kinematics
Apply differentiation and integration to kinematics problems involving displacement, velocity and acceleration of a particle moving in a straight line with variable or constant acceleration.
14.15. Use kinematics graphs
Use the relationships in 14.14 to draw and use displacement-time, distance-time, velocity-time, speed-time and acceleration-time graphs.