MARKIN BRAINIEST!!! PLZ HELP!!!

Mathematics

1 answer:

ira [324]3 years ago

8 0

Answer:

(4, 5)
remain constant and increase
g(x) exceeds the value of f(x)
eventually

Step-by-step explanation:

a) The slope of the curve g(x) roughly matches that of f(x) at about x=4. Above that point, the curve g(x) is steeper than f(x), so its average rate of change will exceed that of f(x). An appropriate choice of interval is (4, 5).

b) As x increases, the slope of f(x) remains constant (equal to 4). The slope of g(x) keeps increasing as x increases. An appropriate choice of rate of change descriptors is (remain constant and increase).

c) The curves are not shown in the problem statement for x = 8. The graph below shows that g(x) has already exceeded f(x) by x=7. It remains higher than f(x) for all values of x more than that. We can also evaluate the functions to see which is greater:

f(8) = 4·8 +3 = 35

g(8) = (5/3)^8 ≈ 59.54 . . . . this is greater than 35

g(8) > f(8)

d) Realizing that an exponential function with a base greater than 1 will have increasing slope throughout its domain, it seems reasonable to speculate that it will always eventually exceed any linear function (or any polynomial function, for that matter).

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A survey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet,

lapo4ka [179]

Answer: 27.4 hours

Step-by-step explanation:

According to the given statement "A survey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, etc.)."

Since the word average is synonym of word mean.

Therefore, the sample mean must have the nearest value to the given average.

From the given options 27.4 is the nearest value to the average of 258.6.

Hence, the population mean = 27.4 hours.

3 0

3 years ago

I have no idea what to do

Mariulka [41]

Answer:

you multiple the y-intercept and then multiply the x-intercept and then find the slope.

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Can someone help me please and thank you

s344n2d4d5 [400]

Okay.
Well, first of all you need to know what an x-intercept is.
It's the point of when the line crosses over the x-axis. For this, situation it crosses twice. An x-intercept written out is normally written out as (#, 0)
Out of that table you have two that apply to (#, 0)
(-6, 0) and (11,0)
the question is asking for a positive x-intercept. I'm guessing you know the difference. between negative and positive. but just in case, I'll use the number 5. As a positive: 5 As a negative: -5
So, you have -6 and 11.
the 6 is negative(-) the 11 is positive(+).
So your answer would be (11,0)

I hope this helped! :)

4 0

2 years ago

The measures of three line segments are given in each set.

kolezko [41]

Answer:

second option: 32.8 m, 48.2 m, 81.1 m

Step-by-step explanation:

20.2 m + 20.4 m = 40.6 m. which is bigger than 20.6 m. so yes

32.8 m + 48.2 m = 81 m. which is smaller than 81.1 m. so no

12.8 m + 25.7 m = 38.5 m. which is bigger than 35.9 m. so yes

35.6 m + 49.9 m = 85.5 m. which is bigger than 83.2 m. so yes

6 0