?Find any critical numbers of the function 
?.
?
A. ?0
B. ?
C. ?
D. ?both A and B
E. ?both A and C
Answer: C
Mathematics
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Without graphing the function, determine its amplitude or period as requested.y = cos 3xFind the period.
A. 3
B. 1
C. 2?
D. 
Mathematics
Add or subtract as indicated.(12x2 - xy - y2) + (x2 + 8xy + 8y2)
A. 11x2 - 9xy - 9y2 B. 13x2 + 9xy + 9y2 C. 13x2 + 7xy + 7y2 D. 12x2 + 8xy + 8y2
Mathematics
Given the sets A = {1, 2, 3}, B = {0, 1, 2, 3, ...}, and C = {0, 1, 2}, tell which of the following statements are true and which are false.
 figure 1.png)
a. a. False b. True c. False d. True
b. a. False b. False c. False d. False
c. a. True b. True c. True d. True
d. a. True b. False c. True d. False
Mathematics
Divide.
÷ 
A. 
B. 
C. x + 2
D. 
Mathematics