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2 years ago

15

Over what interval(s) is the function increasing?

2 answers:

pickupchik [31]2 years ago

8 0

The function is never increasing, always approaching y=5 but never reaching it. Therefore D is the correct answer

mash [69]2 years ago

8 0

Answer:

A function f is said to be decreasing if f(a) < f(b) when a > b. You want to look and see where the graph falls from left to right. The correct intervals are -∞ < x < ∞. so the answer is A

Step-by-step explanation:

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Kaden works 5 days. The median number of hours he works is 3. The mean number of hours he works is 4.

alisha [4.7K]

Answer:

(a) 1, 2, 3, 6, 8

Step-by-step explanation:

Given

$Median = 3$

$Mean = 4$

Required

The sequence of hours worked each day

<em>See attachment for options</em>

From the question, we understand that:

$Median = 3$

This means that, the middle number is 3 (when sorted)

So, we can conclude that (b) and (c) cannot be true because their middle numbers are 6 and 5 respectively

Next, is to determine the mean of (a) and (d)

The mean of a data is calculated as:

$\bar x = \frac{\sum x}{n}$

So, we have:

(a)

$\bar x = \frac{1+ 2+ 3+ 6+ 8}{5}$

$\bar x = \frac{20}{5}$

$\bar x = 4$

(d)

$\bar x = \frac{1+ 2+ 3+ 4+ 5}{5}$

$\bar x = \frac{15}{5}$

$\bar x = 3$

Option (a) is true, because it has:

$Median = 3$

$Mean = 4$

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2 years ago