Answer all 10 questions

1. f(x) = X * + 5 find f-1(x) 2. Sketch : f(x) = ()* - 4 Show two points 3. A car depreciates 13% per year . Find the value of the car after 4 years. The initial value was $35000 dollars. (nearest cent) 4. Evaluate: (a) log5( 175) (b) 3 log( 70) 5. Sketch : f(x) = log7(x + 3) 6. The magnitude of an earthquake measures 3.8 on the Richter scale. What is the intensity in terms of the baseline intensity (nearest tenth) 7. 10g3( Write as a difference without exponents or Radicals. 8. Write as a single logarithm -logx - 4 9. Solve : log2 x + log2 (x - 3) = 2 10. Solve : log3 2 + log3 (x2) = log3(7x - 3)