Dr. J's Maths.com
Where the techniques of Maths
are explained in simple terms.

Functions - Mixed functions.
Calculus - Differentiation - Test Yourself 1 - solutions.


 

Exponential and log functions. 1. 2.
  3. 4. (i)

(ii)

  5. 6.
 

7.

8.
Exponential and trig functions. 9. 10.
 

11.

12.
  13. 14.
  15.

(ii)

(iii)

Put y = 0.5 x gives the blue line in the above graph. There is only one point of intersection - and so one point that satisfies both equations simultaneously.
Log and trig functions. 16. 17.
  18.  
  19.
  20.  
  21.
  22. 23.