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tino4ka555 [31]
3 years ago
15

Please help!!!!! #34

Mathematics
2 answers:
Wewaii [24]3 years ago
7 0
The answer is c
Because x doesn’t repeat
belka [17]3 years ago
3 0

Answer:

c

Step-by-step explanation:

you know what output you get from the input.

For example, you know that if you put in -5, you get -2, or if you put in 4, you get -2.

Even though there are two inputs for one output, it is still a function.

------------------------------------------------------------------------

If there are two outputs for one input, it is not a function.

For example, on d, when -5 is an input, you don't know if you're going to get 3 or 7. So, it's not a function.

//// hope that this helps you and have a great day////

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The entrance to our school has a height of 10.5 feet. There are
patriot [66]

Answer:

Step-by-step explanation:

Height Calculator: predict a child's adult height with significant accuracy. You can estimate how tall you will be, or the adult height of your child or a child patient. Accepts metric and imperial units: inches, feet, cm, meters. Output (mature height) is in centimeters and feet and inches.

6 0
3 years ago
A ball is shot straight up from the top of a 15-story building. The motion of the ball could be described by the function: h(t)=
viktelen [127]

Answer:

  • After 4 seconds the height is 480 meters.
  • The maximum height is 484 meters.
  • The ball hits the ground after 10 seconds

Step-by-step explanation:

The height after four seconds is h(4) = -16 * r² + 144*4+160 = 480

The maximum height of the ball is the value it takes at its vertex 'v = -b/2a'. In this case a = -16 and b = 144, so the v = -144/-32 = 4.5. The maximum height of the ball as a result is h(4.5) = -16 (4.5)² + 144*4.5 + 160 = 484

To find the moment the ball hits the ground, we need to find when h takes the value 0 by using the quadratic formula, with a = -16, b = 144 and c = 160.

r_1,r_2 = \frac{-144 \, ^+_- \sqrt{144^2-4*(-16)*160}}{2*(-16)} = \frac{-144 \, ^+_- \sqrt{30976}}{-32} = \frac{-144 \, ^+_- 176}{-32} = -1, 10

Since t cant take negative values, then the correct value is 10. The ball hits the ground after 10 seconds.

7 0
3 years ago
). At a concert, people's hands were stamped as they walked in. To estimate the attendance, the staff randomly
vampirchik [111]

Answer:

7500 people

Step-by-step explanation:

8 0
3 years ago
Edin has £300 in his savings account , his bank offers him a 5% simple interest rate per annum, for 3 year period. how much simp
Elena L [17]
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Step by step explanation This is how I got the answer to your question and I gave you the solution I hope this helps you out
7 0
3 years ago
Solve for b.<br> 16 = a² + b^2
laiz [17]

Answer:

\sqrt{(4-a)(4+a)} =b

Step-by-step explanation:

16 = a^2 + b^2

16 - a^2 =b^2

4^2 - a^2 = b^2

\sqrt{4^2 - a^2} =b

\sqrt{(4-a)(4+a)} =b

7 0
3 years ago
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