What kind of number is negative 18/9
1 answer:
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On the added picture you can see that graphs of functions 
and 
have two points of intersection. The x-coordinates of these points are the solutions of the equation
.
Hence, the approximate solutions are x=-1.9 and x=1.6.
Hence, the approximate solutions are x=-1.9 and x=1.6.
Answer:
No maximum
Step-by-step explanation:
Given
Solving (a): The minimum
The minimum is when the absolute parameter gives 0
i.e.
Divide both sides by 0.9
Open bracket
Remove absolute sign
Collect like terms
Then the y value is:
Recall that:
So, we have:
Hence, the minimum is at:
Since the minimum is at , then the graph will open upwards.
Hence. the function has no maximum; i.e.