3 years ago

Which ordered pairs are solutions to this function? f(x)=-5x-8

2 answers:

7 0

It will be A because -5*2=-10+-8=-18

4 0

Hello,

Your answer would be:

A. (2,-18)

Plz mark me brainliest

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Answer:

Step-by-step explanation:

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Answer: 0.7 is the rate change between the two points

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zepelin [54]

Answer:

$(11\frac{1}{3},20)$

Step-by-step explanation:

If the Number of Sales of x units, N(x) is defined by the function:

$N(x)=-5x^3+235x^2-3400x+20000,10\leq x\leq 40$

$N'(x)=-15x^2+470x-3400\\When -15x^2+470x-3400=0\\x=20, x=11\frac{1}{3}$

Next, we text the critical points and the end points of the interval to see where the derivative is increasing.

$N'(10)=-200\\N'(11\frac{1}{3})=0\\N'(19)=115\\N'(20)=0\\N'(40)=-8600$

Thus, the rate of change of sales $N'(x)$ is increasing in the interval $(11\frac{1}{3},20)$ on 10≤x≤40.

7 0

3 years ago