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Mamont248 [21]
3 years ago
15

A ball is thrown straight up from the top of a tower that is 280 ft high with an initial velocity of 48 ft/s. The height of the

object can be modeled by the equation s ( t ) = -16 t2 + 48 t + 280. Determine the time(s) the ball is lower than the building. Express your answer in interval notation. In two or more sentences, describe your solution method.

Mathematics
1 answer:
attashe74 [19]3 years ago
7 0

ATTACHED is the written out response.  

let me know if you need anymore help

brainliest is always appreciated

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Which of the following pairs of functions are inverses of each other ​
Ghella [55]

Option (A) represents the function and its inverse of a function option (A) is correct.

<h3>What is a function?</h3>

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

We have a function and inverse of a function shown in the picture.

Checking for option (A):

\rm f(x) = \dfrac{x}{4}+10 \ \ \ and \  \ \ g(x)  = 4x -10

Taking f(x):

\rm f(x) = \dfrac{x}{4}+10

To find the inverse of a function interchange the x and y variables:

f(x) → x

x  → g(x)

\rm x = \dfrac{g(x)}{4}+10

Solving:

4x = g(x) + 10

g(x) = 4x - 10

Similarly, we can find the inverse of a function.

Thus, option (A) represents the function and its inverse of a function option (A) is correct.

Learn more about the function here:

brainly.com/question/5245372

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8 0
2 years ago
Read 2 more answers
May I have some help please?
MakcuM [25]

Answer:

If this is solving for a hypotenuse, the answer is 8.

Step-by-step explanation:

a^2 + b^2 = c^2

6^2 b^2 = 10^2

36 + b^2 = 100

100 - 36 = 64

The square root of 64 is 8.

6 0
3 years ago
What is the answer to this problem ?
Margarita [4]
If something is to the power of 1/2, it is the same as the square root of that number. So, what's the square root of 49?
5 0
3 years ago
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Is the square root of 245 rational or irrational
Paraphin [41]

Answer:

The square root of 245 is a rational number

Step-by-step explanation:

The square root of 245 is about 15.9, or rounded: 16. 16 is not an irrational number.

5 0
3 years ago
a rectangular section of land has a length of 5•10^3 meters and a width of 6•10^2 meters. what is the area of land in square met
monitta
A = lw
A = (5 × 10^3)(6 × 10^2)
= 5000 × 600
= 300000
= 3 × 10^6 m^2
4 0
3 years ago
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