l . A F . . . . . . 4. The formula 1 = [] 1 gives the annual Interest rate, r, reqUIred for a prmcnpal, P dollars, to grow to P an amount, A dollars, in 11 years. Determine the interest rate for an investment of $500 to grow to $629.86 in 3 yea rs. Round to 2 decimal places. [2 marks] 5. The resale value of a used vehicle is given by the formula V = C(1r)" , where Vdollars is the resale value, C dollars is the original price, r is the rate of depreciation, and n is the age of the vehicle. a) If a vehicle depreciates at a rate of 0.2 per year and the original price of the vehicle was $36 000, determine the resale value after 5 years. [2 marks] b) Determine the original price of a vehicle, if it depreciates at a rate of 0.25 per year and resale value after 3 years is $15 900. Round ta 2 decimal places. [3 marks] c) Determine the rate of depreciation each year, if the original price of the vehicle is $40 000 and the resale value after 4 years is $22 500. Round ta 2 decimal places. [3 marks] 6. Given the equation 5 = 45 . Is it possible to find an exact value for x? Explain why. [3 marks]4 7. Anthony and Nick are comparing their solutions to the equation: x3 = 625 . Anthons solution: Nick's Solution: 4 . . 4 . . '- To undo the exponent 5, raise each Side - To undo the exponent 5, raise each Side ' 3 ' 3 to the exponent '4- ' to the exponent :- Whose solution is correct? Explain what this person did to get the correct answer. Compare. [2 marks]