Answer:

Step-by-step explanation:
Put x = 3, y = 2 and z = 5 to the given expression
:

Answer:
Increasing
−5<x<−1
−1<x<1
Decreasing
4<x<7
−8<x<−5
Neither Increasing nor Decreasing
1<x<4
Step-by-step explanation:
Answer: 300
Explanation: $13.00 x 20 + 40 I think