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Hunter-Best [27]
3 years ago
5

You are riding the bus to school and you realize it is taking longer because of all the stops you are making. The time it takes

to get to school, measured in minutes, is modeled using the function g(x) = x4 − 3x2 + 4x − 5, where x is the number of stops the bus makes. If the bus makes 2 stops after you board, how long does it take you to get to school?
Mathematics
2 answers:
Sedaia [141]3 years ago
8 0

Answer:

7 minutes

Step-by-step explanation:

If x represents the number of stops, and there are 2 stops after you board, solving g(2) will give you the time it takes to get to school allowing time for x = 2 stops:

g(2)=(2)^4-3(2)^2+4(2)-5

This gives you, in minutes, that

g(2) = 7

nikitadnepr [17]3 years ago
6 0

Answer:

7 minutes

Step-by-step explanation:

  • start with formula

g(x) = x^4 - 3x^2 + 4x - 5

  • substitute x with number of stops (2)

g(2) = 2^4 - 3(2^2) + 4(2) - 5

  • simplify using p.e.m.d.a.s: start with exponents

g(2) = 16 - 3(4) + 4(2) - 5

  • multiply

g(2) = 16 - 12 + 8 - 5

  • subtract/add

16 - 12 = 4

4 + 8 = 12

12 - 5 = <u>7</u>

<u></u>

<u>input: 2</u>

<u>output: 7</u>

<u>ordered pair: (2,7)</u>

<u></u>

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3 years ago
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Convert the following angle from degrees to radians. Express your answer in simplest form 345 ∘
postnew [5]

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2 years ago
3400 dollars is placed in an account with an annual interest rate of 7-5%. How much
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4 0
3 years ago
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When I have walked 20% of the way to school, I have 1200 metres more to walk than when I have 20% of the walk remaining.
Orlov [11]

Given:

I have walked 20% of the way to school.

I have 1200 metres more to walk than when I have 20% of the walk remaining.

To find:

The distance from home to school.

Solution:

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x^2-2Bx + C \textrm{ has zeros }x = B \pm\sqrt{B^2 - C}

If you're planning on solving a lot of quadratic equations quickly, it's good to know.

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x^2 + 4x - 7 = 0

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x = -2 \pm \sqrt{2^2 - -7}

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