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1 answer:
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The exponential function that represents a stretch of a decay function is given as follows:
An exponential function is modeled by:
.
In which:
- a is the initial value.
- b is the rate of change.
It represents a stretch if a > 1, and a decay function if b < 1. Researching the problem on the internet, the correct option is given as follows:
More can be learned about exponential functions at brainly.com/question/25537936
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Answer:
y = 3x - 8
Step-by-step explanation:
All the options are written in slope-intercept ( ) form. So, what we can do with the given information is write the equation in point-slope form first, then convert it to slope-intercept form.
1) First, use the point-slope formula to find the point-slope equation of the line. Substitute
,
, and
for real values.
Since represents the slope, substitute 3 in its place. Since
and
represent the x and y values of one point the line intersects, substitute the x and y values of (5,7) into the appropriate places in the formula as well. This gives the following equation of the line in point-slope form:
2) Now, isolate y in the above equation to find its slope-intercept form.
Thus, the answer would be the third option as it matches the result we received.