Answer:
15
Step-by-step explanation:
2x3x15 equals to 90
D. X= -4 y= 3 is the correct answer
Answer:
B
Step-by-step explanation:
f(x) = 
=> f(x)= 
=> f(x) = 
=> f(x) = 
=> f(x) = 
Answer:
The solution is the table 1 (see the attached figure)
Step-by-step explanation:
we know tat
Table 1
In the interval (-2.-1) -----> increase
In the interval (-1.1) -----> decrease
In the interval (1,2) -----> increase
Table 2
In the interval (-2.2) -----> decrease
Table 3
In the interval (-2.-1) -----> decrease
In the interval (-1.1) -----> increase
In the interval (1,2) -----> decrease
Table 4
In the interval (-2.2) -----> increase
therefore
The solution is the Table 1