Answer:
18. x² + x - 4
20. or
22. x² + 2x - 2
Step-by-step explanation:
For some reason my work was unable to be submitted so please see attachment for detailed explanation
Calculate 2556÷12 using long divison
2 answers:
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Answer:
The approximate cost during the year 1987 was $7,533
Step-by-step explanation:
The complete question in the attached figure
we have
y -----> is the cost in dollars
x -----> is the year
Looking at the graph we have the points
(1983,5,047) and (1991, 10,019)
To determine the cost in the year 1987, find out the midpoint between the two given points
The formula to calculate the midpoint between two points is equal to
substitute the values
therefore
The approximate cost during the year 1987 was $7,533
The ordered pair would be plotted in Quadrant I
