A graph has outside Temperature (degrees Fahrenheit) on the x-axis, and sales of iced tea (dollars) on the y-axis. Points are at
(30, 69), (71, 78), (37, 30), (48, 103), (40, 60), (80, 120), (92, 145).
Which two points should the trend line go through to best represent the data given in this scatterplot?
(30, 69) and (71, 78)
(37, 30) and (48, 103)
(40, 60) and (71, 78)
(40, 60) and (80,120)
Which two points should the trend line go through to best represent the data given in this scatterplot?
(30, 69) and (71, 78)
(37, 30) and (48, 103)
(40, 60) and (71, 78)
(40, 60) and (80,120)
1 answer:
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Answer:
Reciprocal, Exponential and Logarithmic.
Step-by-step explanation:
x intercept is the value of x where y value is 0.
y intercept is the value of y where x value is 0.
Let us have a look at the possibility for <em>each parent function </em>as given.
I. Linear
When x = 0, y = 0 and
When y = 0, x = 0
Therefore, both x and y intercept exist.
II. Absolute value
When x = 0, y = 0 and
When y = 0, x = 0
Therefore, both x and y intercept exist.
III. Quadratic
When x = 0, y = 0 and
When y = 0, x = 0
Therefore, both x and y intercept exist.
IV. Cubic
When x = 0, y = 0 and
When y = 0, x = 0
Therefore, both x and y intercept exist.
V. Square root
When x = 0, y = 0 and
When y = 0, x = 0
Therefore, both x and y intercept exist.
VI. Cube root
When x = 0, y = 0 and
When y = 0, x = 0
Therefore, both x and y intercept exist.
VII. Reciprocal
When
Therefore, both x and y intercept do not exist.
VIII. Exponential
where b is any base:
When therefore y intercept exists.
When we put y = 0, which is not possible
Therefore, both x and y intercept do not exist.
IX. Logarithmic
When not defined
Therefore, both x and y intercept do not exist.