Chelsea dog-sits for her neighbors as a part-time job. She charges $12 a day plus an additional $2.50 for each walk she takes wi
1 answer:
The equation that represents the amount earned is y = 12 + 2.5x
<h3>How to determine the equation?</h3>The given parameters are:
- Chargers per day = $12
- Charges per walk = $2.5 per walk
Let the number of walks be x and the total charges per day be y.
So, we have:
y = 12 + 2.5x
Hence, the equation that represents the amount earned is y = 12 + 2.5x
See attachment for the graph
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Answer:
The option that no represent a linear function is
Step-by-step explanation:
we know that
The graph of a linear function is a straight line
The equation of a linear function in slope intercept form is equal to
where
m is the slope
b is the y-intercept
<u><em>Verify each case</em></u>
option 1) we have
This option represent a linear function
where
m=3
b=-2
option 2) we have
This option represent a linear function
where
m=1
b=0
This option represent a linear direct variation function
option 3) we have
This option not represent a linear function
This option represent a exponential function
option 4) we have
This option represent a linear function
where
m=3
b=0
This option represent a linear direct variation function
Point slope form of a line:
where 
is your slope and 
is a point on your line.
For a line with a slope of 3/5 that passes through (10, -2)...
Let's plug these values into our formula.
Subtracting by a negative is the same thing as adding (the double negatives cancel), so let's simplify that.
There's our equation in point-slope form. (keep in mind that you're not going to want to distribute that 3/5 or subtract the 2 or anything. You want to keep it similar to the formula.
For a line with a slope of 3/5 that passes through (10, -2)...
Let's plug these values into our formula.
Subtracting by a negative is the same thing as adding (the double negatives cancel), so let's simplify that.
There's our equation in point-slope form. (keep in mind that you're not going to want to distribute that 3/5 or subtract the 2 or anything. You want to keep it similar to the formula.