The point (1, 8) on the function graph means: 8 baby carrot was eaten in 1 day.
<h3>How to Interpret the Graph of a Function?</h3>
A function that is usually represented on a graph has the x-values (input values of the function) plotted on the horizontal axis while the corresponding y-values (output values of the function) are plotted on vertical axis.
The y-variable of the function is dependent on the x-variable of the function.
The graph attached below shows the number of baby carrot eaten on the y-axis as the dependent variable that depends on the number of days (time), which is plotted on the x-axis as the independent variable.
Thus, the point (1, 8) means in 1 day, the number of baby carrot that would be eaten is 8.
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30:2...this is the ratio in decimal form.
The result of this ratio is 15.
Remember it can also be written as a fraction too--> 30/2
Ok so
8000=cost
profit-8000
then
another cost is 15rand per mug
but profit of 35 rand
35-15=20
profit of 20rand per mug
profit=R20m-R8000
where m=number of mugs sold
(R20 means 20 rand)
f(m)=R20m-R8000
break even means cost=earned
basically, when profit=0
0=R20m-R8000
add 8000 to both sides
R8000=R20m
divide both sides by 20
400=m
break even is 400 mugs
graph should be easy enough
put a point at (0,-8000) and at (400,0) then connect them
profit
f(x)=R20x-R8000
break even is 400 mugs
put points (0,-8000) and (400,0) and connect them
You will need to use formula x= -b/2a because the min value will by the vertex of function.
x= -(-92/(2*.2)) = 230
then plug in x value
C=0.2(230)^2-92(230)+11,165= 585
Answer: if you’re saying she received 75 calls the first evening then she would have received 10 more then that which is 85 on the third evening and 85x3 = 255 on the second evening.
So first evening 75
Second evening 255
Third evening 85
