For a f(x) = -2x + 10
for b f(x) = (2/3)x + 2
for b it should be pretty easy to make the graph of the line. you can see y-intercept and the slop is also easy to see.
for b the slope is easily determines and then I just hade to use the slope to figure out the y-intercept.
So 6.5 per 2 pounds =6.5/2=x/1 or
6.5/2=x
solve by dividing evenly
3.25/1=x
3.25=x
the answer is $3.25
Using proportions, it is found that it's value before the 2-day drop was of 264 points.
<h3>What is a proportion?</h3>
A proportion is a fraction of a total amount, and the measures are related using a rule of three.
In this problem, the value dropped by 25%, that is, it was 75% of the original amount, and the dropped value was of 198 points, hence the original amount was:
0.75x = 198
x = 198/0.75
x = 264
More can be learned about proportions at brainly.com/question/24372153
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obviously -3 is greater than -4