Pat's Pizza made 21 cheese pizzas, 14 veggie pizzas, 23 pepperoni pizzas, and 14 sausage pizzas yesterday.
2 answers:
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Answer:
Step-by-step explanation:
There are a couple of ways to solve this, depending on what you already know.
Point-Slope Form
where <em>m</em> is the slope and
is a point on the line.
First, calculate the slope using the two given points .
.
Fill in the point-slope pattern
There's the equation in slope-intercept form ().
Slope-Intercept Form
Use directly.
Find the slope just like the above, so .
Now, plug one of the points (either one!) together with <em>m</em> into
Now you know the value of <em>b</em>, so the equation for the line is
For this case, the first thing we must do is define variables.
We have then:
t: number of hours
F (t): total charge
We write the function that models the problem:
Where,
b: represents an initial fee.
We must find the value of b.
For this, we use the following data:
Her total fee for a 4-hour job, for instance, is $ 32.
We have then:
From here, we clear the value of b:
Then, the function that models the problem is:
Answer:
the function's formula is: