Name: 
 

Worksheet 4.5 (With Factoring, Exponent...Review)



 
Simplify. Assume that no denominator is equal to zero.
 

 1. 

mc001-1.jpg
 

 2. 

mc002-1.jpg
 

 3. 

mc003-1.jpg
 

 4. 

mc004-1.jpg
 
 
Rewrite the equation in exponential form.
 

 5. 

sa005-1.jpg
 
 
Expand the logarithmic expression.
 

 6. 

mc006-1.jpg
a.
mc006-2.jpg
c.
mc006-4.jpg
b.
mc006-3.jpg
d.
mc006-5.jpg
 

 7. 

mc007-1.jpg
a.
mc007-2.jpg
c.
mc007-4.jpg
b.
mc007-3.jpg
d.
mc007-5.jpg
 

 8. 

After a certain drug is injected into a patient, the concentration C of the drug in the bloodstream is monitored. At time t > 0 (in minutes since the injection), the concentration (in mg/L) is given by

mc008-1.jpg.

What is the eventual concentration of the drug?
a.
0 mg/L
b.
10 mg/L
c.
2 mg/L
 

 9. 

Find the intercepts and asymptotes of the rational function

mc009-1.jpg.
a.
x–intercept   y–intercept   horizontal asymptote   vertical asymptote
( 24, 0 )         ( 0, 2 )            y = 0                          x = 3
b.
x–intercept   y–intercept   horizontal asymptote   vertical asymptote
( –8, 0 )        ( 0, 6 )             y = –1.5                     x = 2
c.
x–intercept   y–intercept   horizontal asymptote   vertical asymptote
( 3, 0 )          ( 0, 24 )           y = 0                          x = 24
 
 
Describe the transformation of f represented by g. Then graph each function.
 

 10. 

sa010-1.jpg; sa010-2.jpg
 

 11. 

sa011-1.jpg; sa011-2.jpg
 

 12. 

sa012-1.jpg; sa012-2.jpg
 

 13. 

Find the intercepts and asymptotes of the rational function

mc013-1.jpg.
a.
x–intercept   y–intercept   horizontal asymptote   vertical asymptote
( 6, 0 )         ( 0, 3 )               y = 1                          x = 2
b.
x–intercept   y–intercept   horizontal asymptote   vertical asymptote
( 2, 0 )         ( 0, 3 )               y = 0                          x = 6
c.
x–intercept   y–intercept   horizontal asymptote   vertical asymptote
( 6, 0 )         ( 0, 2 )               y = 0                          x = 2
 
 
Factor the trinomial, if possible. If the trinomial cannot be factored using integers, write prime.
 

 14. 

mc014-1.jpg
 

 15. 

mc015-1.jpg
 

 16. 

mc016-1.jpg
 

 17. 

Graph sa017-1.jpg.
 

 18. 

Find the horizontal and vertical asymptotes of the rational function

mc018-1.jpg.
a.
horizontal asymptote y = 3; vertical asymptote x = –6
b.
horizontal asymptote y = 3; vertical asymptote x = 6
c.
horizontal asymptote y = 0; vertical asymptote x = –6
 
 
Factor the trinomial.
 

 19. 

mc019-1.jpg
 

 20. 

mc020-1.jpg
 

 21. 

mc021-1.jpg
 

 22. 

mc022-1.jpg
 
 
The graph of g is a transformation of the graph of f. Write a rule for g.
 

 23. 

pr023-1.jpg

pr023-2.jpg
 

 24. 

pr024-1.jpg

pr024-2.jpg
 
 
Rewrite the equation in logarithmic form.
 

 25. 

mc025-1.jpg
a.
mc025-2.jpg
c.
mc025-4.jpg
b.
mc025-3.jpg
d.
mc025-5.jpg
 

 26. 

mc026-1.jpg
a.
mc026-2.jpg
c.
mc026-4.jpg
b.
mc026-3.jpg
d.
mc026-5.jpg
 
 
Condense the logarithmic expression.
 

 27. 

mc027-1.jpg
a.
mc027-2.jpg
c.
mc027-4.jpg
b.
mc027-3.jpg
d.
mc027-5.jpg
 

 28. 

mc028-1.jpg
a.
mc028-2.jpg
c.
mc028-4.jpg
b.
mc028-3.jpg
d.
mc028-5.jpg
 
 
Tell whether the function represents exponential growth or exponential decay. Explain your reasoning.
 

 29. 

pr029-1.jpg
 

 30. 

pr030-1.jpg
 
 
Find the inverse of the function.
 

 31. 

mc031-1.jpg
a.
mc031-2.jpg
c.
mc031-4.jpg
b.
mc031-3.jpg
d.
mc031-5.jpg
 
 
Factor the polynomial.
 

 32. 

mc032-1.jpg
 

 33. 

mc033-1.jpg
 
 
Simplify the expression.
 

 34. 

pr034-1.jpg
 

 35. 

pr035-1.jpg
 

 36. 

pr036-1.jpg
 

 37. 

Find the x– and y–intercepts of the rational function

mc037-1.jpg.
a.
x–intercept ( 8, 0 ), y–intercept ( –1, 0 )
b.
x–intercept ( –1, 0 ), y–intercept ( 1, 0 )
c.
x–intercept ( –1, 0 ), y–intercept ( 8, 0 )
 
 
Evaluate the logarithm.
 

 38. 

mc038-1.jpg
a.
mc038-2.jpg
c.
mc038-4.jpg
b.
mc038-3.jpg
d.
mc038-5.jpg
 
 
Simplify the given expression. Assume that no variable equals 0.
 

 39. 

mc039-1.jpg
 

 40. 

Find the x– and y–intercepts of the rational function

mc040-1.jpg.
a.
x–intercept ( –6, 0 ), y–intercept ( 216, 0 )
b.
x–intercept ( 216, 0 ), y–intercept ( –216, 0 )
c.
x–intercept ( 6, 0 ), y–intercept ( –216, 0 )
 

 41. 

Find the vertical asymptote of the rational function

mc041-1.jpg.
a.
x = 2
b.
x = –2
c.
x = 4
 
 
nar019-1.jpg
 

 42. 

The rabbit population on Mr. Jenkins' farm follows the formula

sa042-1.jpg

where t > 0 is the time in months since the beginning of the year. What is the eventual population of rabbits?
 
 
Solve the equation.
 

 43. 

mc043-1.jpg
a.
x = 26
c.
x = 631
b.
x = 619
d.
x = 1030
 
 
Simplify the given expression.
 

 44. 

mc044-1.jpg
 
 
Graph the equation.
 

 45. 

pr045-1.jpg

pr045-2.jpg
 

 46. 

pr046-1.jpg
pr046-2.jpg
 



 
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