Classify the relationship represented in each scatter plot as linear, quadratic or exponential.
1 answer:
Answer:
1. quadratic
2. quadratic
3. linear
4. quadratic
Step-by-step explanation:
In the picture attached, the scatter plots are shown.
The differences between these correlations are:
- linear : makes a straight line
- quadratic: makes a ∩ or ∪
- exponential: rises or falls quickly in one direction
In plot 1, 2 and 4, we can see that y-values decrease at first and then they increase. This is a feature of quadratic correlation
In plot 3, we can see that y-values increase uniformly as x-values increase.This is a feature of linear correlation
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Answer:
Marge has earned $60.
Step-by-step explanation:
Let the total money she earned be x.
Money spent o the phone =
Money left with Marge after buying phone= x - 0.5 x = 0.5 x
Money spent on the gift=
Money left with Marge after buying gift= 0.5 x - 0.25 x = 0.25x
Final amount left with marge = $15
Marge has earned $60.