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ICE Princess25 [194]
2 years ago
5

What are all the values of r where the function..... Please help ASAP!!!

Mathematics
1 answer:
Mrac [35]2 years ago
8 0
I just need some points so I can ask a question but I hope you find your answer!
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Simplify 8c- 4d + 8d +9c - 18c
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8c - 4d + 8d + 9c - 18c

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How can I find a rule in a math question
NeTakaya

Answer:

Step-by-step explanation:

How to write the rule of a function given the table of values. To write the rule of a function from the table is somehow tricky but can be made easier by having prior knowledge of the type of function. If the function is a linear function, plugging any two sets of values from the table into the equation y = ax + b, where a and b are constants to be found and x, y are values taken from the table. Solving the two equations obtained simultaneously gives the values of a and b and hence the required rule.

Similarly, if the function is a quadratic equation, plugging any three sets of values from the table into the equation y = ax^2 + bx + c, where a, b, c are constants to be found and x, y are values taken from the table. Solving the three equations obtained simultaneously gives the values of a, b and c and hence the required rule. For tables with no prior knowledge of the type of function, a series of trial and error will lead us to the solution of the problem.

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