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Leokris [45]
3 years ago
6

Let f(x) = 8x - 7. What is (4)? A.39B.25C.32D.36​

Mathematics
1 answer:
Allushta [10]3 years ago
6 0
The correct answer would be b.25
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Graph the line with the equation y=-x-5y=−x−5.
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Step-by-step explanation:

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In a population, as n approaches k, the logistic growth equation predicts that:
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Write down all the prime numbers between 15 and 25
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The Niagara Falls ferris wheel has a diameter of 48 meters, and one revolution takes 2.25 minutes to complete. Riders can see Ni
Yanka [14]

The time intervals when the riders could see Niagara falls are; 0.834 < t < 1.416 and (3.084, 3.666)

<h3>How to interpret Cycle Graphs?</h3>

From the diagram attached, we can say that;

Period = 2π/k

where;

k = 2π/2.25

k = 8π/9

Thus;

h(t) = -(48/2) cos (8π/9)t + ((48/2) + 0.5)

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Riders can see Niagara falls if they are higher than 41 meters above the ground. Thus;

41 = -24cos (8π/9)t + 24.5

41 - 24.5 = -24cos (8π/9)t

16.5 = -24cos (8π/9)t

-0.6875 = cos (8π/9)t

cos⁻¹0.6875 = (8π/9)t

t = 0.834 min

Thus, time interval is between;

0.834 < t < (2.25 - 0.834)

⇒ 0.834 < t < 1.416 and

(2.25 + 0.834) < t < (2.25 + 1.416)

⇒ (3.084, 3.666)

Read more about Cycle Graphs at; brainly.com/question/24461724

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2 years ago
Change a Relation to Make It a Function The relation R is shown below as a list of ordered pairs. R = { (1, 4), (1, 3), (-1, 3),
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Step-by-step explanation:

A function is defined so that for each input (known as the domain), there is no more than one output (known as the range).

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1 year ago
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