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Leno4ka [110]
3 years ago
12

URGENT DUE IN 10 MINS Suppose that the function f(x) = 5.32 + 0.80x represents the cost of mailing an object that weighs x pound

s. How much would it cost mail an object that weighs 36 pounds?
Mathematics
1 answer:
kkurt [141]3 years ago
7 0

Answer:

$34.12

Step-by-step explanation:

substitute 36 into the equation where x is and simplify

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Select the correct answer.<br> Which of the following represents a function?
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Answer:

The answer is C

Step-by-step explanation:

All of the numbers are all different a function is when there are no same numbers

5 0
3 years ago
Hi, am I supposed to find the stationary points of the f(x) and g(x) then use the distance formula to solve for the final answer
nikdorinn [45]

9514 1404 393

Answer:

  maximum difference is 38 at x = -3

Step-by-step explanation:

This is nicely solved by a graphing calculator, which can plot the difference between the functions. The attached shows the maximum difference on the given interval is 38 at x = -3.

__

Ordinarily, the distance between curves is measured vertically. Here that means you're interested in finding the stationary points of the difference between the functions, along with that difference at the ends of the interval. The maximum difference magnitude is what you're interested in.

  h(x) = g(x) -f(x) = (2x³ +5x² -15x) -(x³ +3x² -2) = x³ +2x² -15x +2

Then the derivative is ...

  h'(x) = 3x² +4x -15 = (x +3)(3x -5)

This has zeros (stationary points) at x = -3 and x = 5/3. The values of h(x) of concern are those at x=-5, -3, 5/3, 3. These are shown in the attached table.

The maximum difference between f(x) and g(x) is 38 at x = -3.

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Step-by-step explanation:

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