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Murljashka [212]
3 years ago
15

Which graph IS an example of a cubic function?

Mathematics
1 answer:
AURORKA [14]3 years ago
4 0
Basic cubic graph is y = x^3
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The total stopping distance T for a vehicle is T = 2.5x + 0.5x 2 , where T is in feet and x is the speed in miles per hour. Appr
Kobotan [32]

Answer:

%  change in stopping distance = 7.34 %

Step-by-step explanation:

The stooping distance is given by

T = 2.5 x + 0.5 x^{2}

We will approximate this distance  using the relation

f (x + dx) = f (x)+ f' (x)dx

dx = 26 - 25 = 1

T' =  2.5 + x

Therefore

f(x)+f'(x)dx = 2.5x+ 0.5x^{2} + 2.5 +x

This is the stopping distance at x = 25

Put x = 25 in above equation

2.5 × (25) + 0.5× 25^{2} + 2.5 + 25 = 402.5 ft

Stopping distance at x = 25

T(25) = 2.5 × (25) + 0.5 × 25^{2}

T(25) = 375 ft

Therefore approximate change in stopping distance = 402.5 - 375 = 27.5 ft

%  change in stopping distance = \frac{27.5}{375} × 100

%  change in stopping distance = 7.34 %

6 0
3 years ago
PLEASE HELP! I need help on this
Alja [10]
99+2x=180
x=40.5
99>
40.5
6 0
3 years ago
Help...........................plz
Diano4ka-milaya [45]

Answer: (-1/4)

Step-by-step explanation:

This divides to -1/4

4 0
3 years ago
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Julia works for a company selling light bulbs. She sells fluorescent light bulbs for $5 a piece and incandescent light bulbs for
stellarik [79]

The solution to the amount of light bulbs Julia needs to sell to meet her quota is represented by the shaded area in graph X.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

Let x represent the incandescent light bulbs and y represent the fluorescent light bulbs. Therefore:

x + y > 100   (1)

Also:

2x + 5y ≥ 350    (2)

The solution to the amount of light bulbs Julia needs to sell to meet her quota is represented by the shaded area in graph X.

Find out more on equation at: brainly.com/question/2972832

#SPJ1

6 0
2 years ago
I need to find the area in the shape
dalvyx [7]

Answer:

32 yd

Step-by-step explanation:

The area of a triangle is calculated by multiplying each of the sides lengths together, 8x8, and dividing it by two which equals 32.

6 0
2 years ago
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