3 years ago

P=300-20x what is x in terms of P?

Mathematics

2 answers:

aleksandr82 [10.1K]3 years ago

8 0

The correct answer is x=(300-p):20

AlekseyPX3 years ago

5 0

answer:is x=(300-p):20 correct term

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kobusy [5.1K]

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Find the maximum rate of change of f at the given point and the direction in which it occurs. f(x, y) = 9 sin(xy), (0, 8)

malfutka [58]

Answer:

The magnitude is $\Delta f(0,8) = 72$

The direction is $i$ i.e toward the x-axis

Step-by-step explanation:

From the question we are told that

The function is $f(x, y) = 9sin(xy) \ \ \$

The point considered is $(0,8 )$

Generally the maximum rate of change of f at the given point and the direction is mathematically represented as

$\Delta f(x,y) = [\frac{\delta f(x,y)}{\delta x } i + \frac{\delta f(x,y)}{\delta y } j ]$

$\Delta f(x,y) = [\frac{\delta (9sin(xy))}{\delta x} i + \frac{\delta (9sin(xy))}{\delta y} i ]$

$\Delta f(x,y) = [9y cos (x,y) i + 9xcos (x,y) j]$

At $(0,8 )$

$\Delta f (0,8) = [9(8) cos(0* 8)i + 9(8) sin(0* 8)j ]$

$\Delta f (0,8) = 72 i$

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2 years ago

John bought three times as many Cokes as Dr. Peppers for his party. If he bought a total of 144 Cokes and

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Step-by-step explanation:

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Find k so that the following function is continuous: f(x)={kx8x2if0≤x<5if5≤x.

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Check the one-sided limits:

$\displaystyle \lim_{x\to5^-}f(x) = \lim_{x\to5}kx = 5k$

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k = 40

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2 years ago

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Step-by-step explanation:

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