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Assoli18 [71]
2 years ago
12

Help, please!

Mathematics
1 answer:
Vikki [24]2 years ago
3 0
If the function is f(x) = 6(0.4)x then the domain is ALL REAL NUMBERS and the range is ALL REAL NUMBERS!
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Which transformation gives the same result as a reflection over the y-axis followed by a reflection over the x-axis?
Rzqust [24]
A rotation about 180 degree
8 0
3 years ago
Use the Remainder Theorem to find the remainder when f(x) = x^4 + 4x^3 - x^2 - 16x -12 is divided by x - 4.
love history [14]

Answer:

420

Step-by-step explanation:

The remainder theorem tells you the remainder is f(4), which you can find by evaluating the expression for x=4. Evaluation is simpler if the expression is written in Horner form first.

... f(x) = (((x +4)x -1)x -16)x -12

... f(4) = (((4 +4)4 -1)4 -16)4 -12

... = ((8·4 -1)4 -16)4 -12

... = (31·4 -16)4 -12

... = 108·4 -12 = 420

_____

<em>Comment on evauation using Horner's form</em>

The intermediate results (contents of parentheses) are the same as the intermediate results you get when you use synthetic division.

3 0
3 years ago
How to find the X with the midsegment theorem
gtnhenbr [62]
Half of 20 the line is in the middle of the triangle
6 0
3 years ago
Read 2 more answers
What is the average speed (miles/hour) for an object going 1500 feet in 1 minute. Round answer to two decimal places.
svetlana [45]

there are 3600 seconds per hour

5280 feet per mile

1 foot per second = 3600/5280 = 0.681818 Miles per Hour

 60 seconds per minute

 so 1500/60 = 25 feet per second

25 x 0.681818 = 17.05 miles per hour


8 0
3 years ago
Yuri computes the mean and standard deviation for the sample data set 12, 14, 9, and 21. He finds the mean is 14. His steps for
Tpy6a [65]

Answer:

B. Yuri divided by n instead of n-1

Step-by-step explanation:

It was stated in the question that the dataset was sample dataset. For a sample dataset, the standard deviation is given by the formula,

σ = √ Σ (Xi - mean)²/(n - 1) where i = 1,2,3.....n

Since this is just a sample dataset and not the whole population, Yuri should have divided by n-1 instead of n.

3 0
3 years ago
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