Unit 8 Test: Exponential and Logarithmic Functions scording Knowledge [10 Marks) ermine MULTIPLE CHOICE: Circle the most correct answer for each question. [10 Marks] 4 ) 0 2 de 1. Rewrite log, x = w as an exponential equation. pos a) a"=x b) a= w c ) x = W d) w =x 5 on: 6 2. Rewrite 7" = n as a logarithmic equation. a) log, 7 = m b) log, m = n c) logm 7 =n d) log, n = m 7) ho 3. Write 2log3-log7-logll as a single logarithm. 8 b) log on " log ) d) log 77 9 ab 2 O 4. Expand the logarithm logs a) /logs a + logs b2 - logs C b ) - logs a + 2logs b -logs c c) Vlogs a + /logs 62 - Vlogs C d) - [logs a + 210gs b -log, c] 5. Solve the equation log, (x + 1) =3 a) 6 b ) 7 ) 8 d) 9 6. Solve for x: log4 (x + 1) + log, (x -1) = log4 8 a) x =-1 b ) x = 1 c) x = 3 d) x = -3 7. Solve for x, to two decimal places: 3*+ = 15 a) x =-1.46 b) x = 1.46 c) x = 4 d) x = 3 8. The graph of y = log x has all of the following features EXCEPT: a) x-intercept = 1 b) y-intercept = 1 c) asymptote of x = 0 d) Range {YER} 9. The graph of y = 2" has all of the following features EXCEPT: a) x-intercept = 1 b) y-intercept = 1 c) asymptote of y = 0 d) Domain {XER} 10. Solve for x algebraically: 9*+1 = 272x-3 a) x = 3 b) x = -3 C x = 11 4 d) x =