1 mark 2. A straight line re-graph produces the formula P =17.1R2. Solve the following: a) If R = 39.2 calculate P. a 1 mark b) If R = 2.4 x 104 calculate P. 1 mark c) If P = 48.4 calculate R. c) 1 mark d) If P = 4.2 x 10% calculate R. 1 mark