1. MATH 3 – NCFE Review
Created by Educational Technology Network

2. Unit 2 Exp/Log Functions
Unit 1 & Unit 5
Functions
Unit 2 Exp/Log Functions
Unit 3 Polynomial
Units 4, 6 & 7
Geom/Trig
Potpourri 10 20 30 40 50

3. Question

4. Answer 1 – 10
X does not equal -1

5. Question
Write the equation of the function:

6. Answer 1 – 20
y < (-3/4) x + 1

7. Question
Solve: n2 + 8n = -7

8. Answer 1 – 30
x = -1 x = -7

9. Question
Sketch the graph:

10. Answer 1 – 40

11. Question
Solve:
Multiply:

12. Answer 1 – 50
m = 30

13. Question
Condense:

14. Answer 2 – 10

15. Question
Solve :
13p = 20
Describe left and right end behavior

16. Answer 2 – 20

17. Question 2 – 30
If you invest $5000 in 2020 and your interest is 8.7% per year, what is the range of your investment from years 10 through 15?

18. Answer
11,515 < y < 17,475

19. Question
Sketch a graph that shows bacteria tripling every 2 hours

20. Answer 2 – 40

21. Question
What is the domain and range of:
y = 2x

22. Domain: all Real Range: y > 0
Answer 2 – 50
Domain: all Real Range: y > 0

23. Question

24. Answer 3 – 10
x = 10 and x = 2

25. Find the center and radius:
Question
Find the center and radius:

26. Answer 3 – 20
Center ( -7, 6) Radius = 9

27. Question
How many real zeros are there? And describe the end behavior.

28. Answer 3 – 30
Two real zeros
As x approaches neg. infinity, y approaches neg infinity
As x approaches pos infinity, y approaches neg infinity.

29. Question
Describe the areas of the graph that are decreasing.

30. Answer 3 – 40
Neg infinity -> 0 U 2 -> pos infinity

31. Question
Sketch the graph:
f(x) = ( x + 2)2 (x – 3)

32. Answer 3 – 50

33. Find the volume (to the nearest whole number):
Question
Find the volume (to the nearest whole number):

34. Answer 4 – 10
3563 in3

35. Question

36. Answer 4 – 20
Arc TV = 50o

37. Question
AB= 16; BE = 4; DE = 5, what is CE?

38. Answer 4 – 30
CE = 16

39. Question

40. Answer 4 – 40
Quadrant IV

41. Question

42. Answer 4 – 50

43. Question

44. Answer 5 – 10
Quadrant III

45. Question
What is m<DCB?

46. Answer 5 – 20
70o

47. Question
Use synthetic division:

48. Answer 5 – 30

49. Question

50. Answer 5 – 40

51. 6 – 3i multiplied by its conjugate is..
Question
6 – 3i multiplied by its conjugate is..

52. Answer 5 – 50 45