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2 years ago

15

Evan is going to the county fair this weekend. The admission to the fair is %5 and the cost per ride is 50 cents. What is the ra

te of change (slope) of this problem?

1 answer:

fenix001 [56]2 years ago

6 0

Answer:

$0.50/ride

Step-by-step explanation:

That rate of change (unit rate) is $0.50/ride.

This is also the slope of the graph. $5 is the y-intercept.

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A population of insects increases at the rate of 200 10t 13t2 what is the change in the population of insects between day 0 and

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Step-by-step explanation:

Given

$Rate = 200 + 10t + 13t^2$

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Integrate

$R = 200t + \frac{10t^2}{2} + \frac{13t^3}{3} [3,0]$

Solve for R by substituting 0 and 3 for t

$R = (200*3 + \frac{10*3^2}{2} + \frac{13*3^3}{3}) - ( 200*0 + \frac{10*0^2}{2} + \frac{13*0^3}{3})$

$R = (200*3 + \frac{10*9}{2} + \frac{13*27}{3}) - (0 + \frac{10}{2} + \frac{0}{3})$

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$R =762$

<em>The population of insect between the required interval is 762</em>

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