Ronald and Tim did their laundry today. Ronald does laundry every 6 days and Tom does laundry every 9 days. How many days will i
1 answer:
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Answer:
Step-by-step explanation:
Any problem of this kind should first be approached by solving the initial function.
This question is based on curve translation on x-axis. But, there can be questions asked on translation in both axes, rotation of curve about origin, or both combined.
Initial function f(x) is a straight line from picture.
Common equation of straight line is
m= slope of the line
c= y-intercept
Slope of the line:
Let those points on graph be A(3,0) and B(0,-6)
Therefore, slope of line AB, using formula is:
m=2
And c=(-6)
And equation of line AB is:
Now this line is translated backwards by 2 units, (x) becomes (x+2)
Let us consider a X, such that,
Now, there is another function such that,
; according to your question.
In the picture, they are asking for a function,
Then, ; according to the picture.
Here, I have attached a file showing all the graphs for clear understanding.
Answer:
Option A
Step-by-step explanation:
- f(x) = x³ + x² + x + 1
This is increasing function
The first option is correct
<em>See attached graph for reference</em>
