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lakkis [162]
3 years ago
8

What are the domain and range of f(x) = 2(3x)?

Mathematics
2 answers:
rosijanka [135]3 years ago
5 0

Answer:

A. Domain: (-∞,∞) Range (0,∞)

Step-by-step explanation:

: )

Morgarella [4.7K]3 years ago
3 0
The domain and range of the linear function
  y = 2(3x) = 6x
are (-∞, ∞)


The domain of
  2^(3x)
or of
  2·3^x
is (-∞, ∞))

and the range of these exponential functions is (0, ∞)
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Evaluate 3x^2- 9 when x=-2
murzikaleks [220]

Answer:

3

Step-by-step explanation:

We know x = -2, so we can substitute -2 in for x

3x^2- 9

3*-2^2-9

Solve the exponent first (PEMDAS)

3*4-9

Multiply next

12-9

Subtract

3

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3 years ago
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Help picture below problem 19
frutty [35]

Answer:

I think the amswer is C not 100% shere

Step-by-step explanation:

6 0
2 years ago
15 points with easy explanation please​
GaryK [48]

Answer:

that would be 38 degrees

Step-by-step explanation:

7 0
3 years ago
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The blades of a windmill turn on an axis that is 35 feet above the ground. The blades are 10 feet long and complete two rotation
Alona [7]

Answer:

h = 10sin(π15t)+35

Step-by-step explanation:

The height of the blade as a function f time can be written in the following way:

h = Asin(xt) + B, where:

B represets the initial height of the blade above the ground.

A represents the amplitud of length of the blade.

x represents the period.

The initial height is 35 ft, therefore, B = 35ft.

The amplotud of lenth of the blade is 10ft, therefore A = 10.

The period is two rotations every minute, therefore the period should be 60/4 = 15. Then x = 15π

Finally the equation that can be used to model h is:

h = 10sin(π15t)+35

5 0
3 years ago
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A suit is on sale 32% off. The sale price is $221
Olegator [25]

Answer:

are you trying to get the discount amount?  or the discount off the $221 if so

$221 x .32 = $70.72 discount amount off the sale price $221 which would make the final price $150.28

Step-by-step explanation:

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2 years ago
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