1. SWBAT… review for tomorrow’s test
Tues, 11/8
SWBAT… review for tomorrow’s test
Agenda
20 additional review problems (45 min)
Warm-Up:
1. If b = -2 – c, then (b + c)3 = ?
2. If the sum of two numbers is k, and one of the numbers is m, how can you express the other number, a?
HW: Study for tomorrow’s TEST!!!
b + c = -2
(-2 )^3 = -8
m + a = k
a = k – m

2. What do you call this function?
1/20
What do you call this function?
Answer:
Absolute value
function

3. 2/20
The graph of is translated 3 units up. What is the equation of the translated graph?
Answer:

4. 3/20
The graph of is translated 2 units to the right. What is the equation of the translated graph?
Answer:

5. What is the equation of the below function?
4/20
What is the equation of the below function?
Answer: y = x

6. What is the equation of the below function?
5/20
What is the equation of the below function?
Answer: y = 3

7. 6/20
Find the range of the function with the given domain:
g(x) = x2 + 4; domain = {-2, 3}
Answer: Range = {8, 13}

8. 7/20
Does the diagram below represent a function, yes or no? 4 6 7
Answer: Yes

9. 8/20
Evaluate the function at the given value of x. Write an ordered pair that is an element in the function.
f(x) = 3x2 – 3x + 6; x = -2
Answer: (-2, 24)

10. If f(x) = 3x – 2 and g(x) = x², find f(g(2))
9/20
If f(x) = 3x – 2 and g(x) = x², find f(g(2))
Answer: f(g(2)) = 10

11. If f(x) = 3x – 2 and g(x) = x², find f(-2) – g(-9)
10/20
If f(x) = 3x – 2 and g(x) = x², find f(-2) – g(-9)
Answer: -89

12. 11/20
Simplify
Answer:

13. 12/20
What is the domain of
Answer:

14. 13/20
What is the domain of
Answer:

15. 14/20 What is the domain and range of f(x) = -3(2x − 4)?
Answer: Domain and range-All real numbers

16. 15/20
For what value of x is the below function undefined?

17. Answer: x = -1/5 16/20 A function g(x) =
For which value of x will g(x) = 0?
Answer: x = -1/5

18. Answer: The cost per minute
17/20
The cost of a long distance call is a function of the length of the call. The table below shows the costs of four calls.
If the data in the table are graphed, what does the slope of the graph represent?
Answer: The cost per minute

19. 18/20 C = Cost m = total minutes C(m) = 40 m ≤ 400
Write a function for this plan.
C = Cost
m = total minutes
C(m) = m ≤ 400
C(m) = (m – 400) m > 400 19

20. 17/20
Which is the best estimate for the x-intercept of the graph of the linear function
A. Between 0 and 1
B. Between 2 and 3
C. Between 1 and 2
D. Between 3 and 4