The company also discovered that it cost 37$ to produce 3 calculators, 213$ to produce 7 calculators, and 658$ to produce 12 cal
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Answer:
Step-by-step explanation:
Use the slope-intercept formula:
m is the slope and b is the y-intercept. Use the slope formula first:
Rise over run is the change in the y-axis over the change in the x-axis. Plug in the coordinates:
Simplify parentheses (two negatives makes a positive):
Simplify:
The slope is . Insert into the equation:
Now, to find the y-intercept, take one of the points and substitute for the x and y values of the equation:
Solve for b, the y-intercept. Simplify parentheses:
Add to both sides:
Simplify:
The y-intercept is . Insert this into the equation:
Finito.