-9(-4r + 6s) + 3s – 7(6s – 2r)
2 answers:
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Answer:
Positive:
Negative:
Step-by-step explanation:
The graph represents a parabola that has a maximum vertex at (1,4).
The portion of the graph above the x-axis is considered positive
For , the function is positive.
We can write this in interval notation as:
For or
, the function is negative.
We can write this in interval notation as:
Answer:
Step-by-step explanation:
We are given the recursive formula:
This is the recursive formula for an arithmetic sequence.
The explicit formula for an arithmetic sequence is given by:
Where d=3 is the common difference.
We plug in this values to get:
We now expand and simplify to get:
We simplify to obtain:
Answer:
Step-by-step explanation:
Hope this helped!