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Inga [223]
3 years ago
13

Let g (x)=x^2.what is the average rate of change of the function from x=4 to x=8?

Mathematics
1 answer:
Vlad [161]3 years ago
7 0
F(8) -f(4) / 8-4
= 64-16 / 4
= 48/4
= 12
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If a car averages 21.8 miles per gallon, how many miles will it travel on 16 gallons of gas?
asambeis [7]

Answer: 348.8 miles on 16 gallons of gas

Step-by-step explanation:

Make the following proportion:

\frac{21.8 miles}{1 gallon} = \frac{x miles}{16 gallons}

Since the car consumes gas at the same rate and only the amount of gas is changed, these two fractions must be equivalent. If the rate at which the car consumes gas changes, it would be different.

Use basic algebraic skills and you should get 348.8 miles.

7 0
2 years ago
Is the function “ y = 3x “ a direct variation?
LuckyWell [14K]

Given function is a direct variation

Step-by-step explanation:

The direct proportion is defined as the increase in one quantity causes increase in other quantity.

If y is directly proportional to x, then it is given as:

y = kx

where k is the constant of proportionality

Given

y = 3x

Comparing the general form and given equation we see that both are same where k =3

So,

Given function is a direct variation

Keywords: Variation, functions

Learn more about functions at:

  • brainly.com/question/702593
  • brainly.com/question/689294

#LearnwithBrainly

3 0
3 years ago
What is 50 minutes as a fraction of 1 hour 15 minutes
TiliK225 [7]

Answer:

Step-by-step explanation:

15 minutes of an hour is 15/60. So 15/60 can be simplified to 1/4.

4 0
1 year ago
A regular octagon rotates 360° about its center. How many times does the image of the octagon coincide with the preimage during
diamong [38]
The number of times the image of the octagon will coincide with the preimage during rotation is determined by:
N = R/C

where
N is the number of times the preimage coincided with the rotated image during rotation
R is the angle of rotation
C is the central angle of the regular polygon

For an octagon, the central angle is
C = 360/8 = 45

So,
N = 360 / 45 = 8

Therefore, the rotated image of the octagon will coincide with the preimage 8 times during rotation.
8 0
3 years ago
Which lines represent the input and output on a graph
Sveta_85 [38]

Answer:

the horizontal line represents the input aka x

the vertical line represents the output aka y

Step-by-step explanation:

5 0
2 years ago
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