MATHEMATICS HIGH SCHOOL

Identify the range of the function. A) (2, 8) B) [2, 8] C) (−5, 9) D) [−5, 9]
Identify the range of the function. A) (2, 8) B) - 1

Answers

Answer 1
Answer:

Answer:

The answer is "Option A"

Step-by-step explanation:

The domain is the collection of the value, which belongs to the separate variable (horizontal axis). So, to find a region with a graph, it must search for the function, which starts and end. And at all these levels we are searching at x-values.  

Its starting point is (2,9) and the ending point is (8,3).  Therefore, x= 2 to x=8 is the domain.

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In an area of the Midwest, records were kept on the relationship between the rainfall (in inches) and the yield of wheat (bushels per acre). The data for a 9 year period is given in the table. The equation of the line of best fit for this data is y = 47.3 + 0.78x. How many bushels of wheat per acre can be predicted if it is expected that there will be 17 inches of rain?
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18A person typically breathes about 8.64 x 10^3 liters of air per day. The life expectancy of
a person in the United States at birth is about 29,200 days. Estimate the total amount of
air a person born in the United States breathes over a lifetime.

Answers

Answer:

  2.53×10^8 liters

Step-by-step explanation:

  (8.65×10^3 L/da)(0.292×10^5 da) ≈ 2.53×10^8 L

Final answer:

The total amount of air a person born in the United States breathes over a lifetime is estimated to be 2.52 x 10^8 liters. This is calculated by multiplying the daily air intake (8.64 x 10^3 liters) with the average life expectancy in days (29,200 days).

Explanation:

To estimate the total amount of air a person born in the United States breathes over a lifetime, we can simply multiply the amount of air breathed daily by the expected length of life in days. Here's how it works:

  1. The given daily air intake is 8.64 x 10^3 liters.
  2. The average life expectancy is 29,200 days.
  3. We multiply these two values together to get the total lifetime air intake.

So, 8.64 x 10^3 liters/day x 29,200 days = 2.52 x 10^8 liters.

Therefore, a person born in the United States breathes an estimated 2.52 x 10^8 liters of air over a lifetime.

Learn more about Lifetime Air Intake here:

brainly.com/question/34703968

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The prism can be cut into three pyramids with the shaded faces congruent. If the shaded faces are considered as bases, then all three pyramids have the same height, h. Therefore the pyramids have equal volumes. What is the volume of each pyramid?A) ⅓Bt
B) ⅓Ah
C) ⅓Ar
D) ⅓At​

Answers

The correct answer is letter C

When all dimensions of a figure change proportionally, the figure is _______ the original figure.A)similar to
B)half the area of
C)longer, but the same width as
D)congruent to

Answers

similar to im pretty sure

50/8 converted as a mixed number

Answers

50/8

Simply divide 8 into 50. That is 6.  Because 8 *6 = 48.

There would be a remainder of 2.

So  50/8 =  6 whole number    2/8.

 So the answer =    6 whole number  2/8.      As mixed fraction.

You can reduce the 2/8 to 1/4.

So  6 whole number  1/4  is also correct.
6 1/4 because do 50÷8=6 (remainder: 2) 

So it is 6 2/8. Simplify it and it will be 6 1/4.

Which of the following relations is a function? {(-6, 4), (-6, 2), (2, 9), (1, 4)}


{(8, 2), (9, -2), (7, 0), (-3, 6)}


{(1, 2), (4, -1), (1, 2), (-3, 4)}


{(8, -2), (-4, 3), (8, 4), (-2, 3)}

Answers

The formal definition of a function states that: "A function relates each element of a set with exactly one element of another set (possibly the same set)."

The part "..with exactly one element.." means that for every input (x-coordinate), it cannot give back 2 or more return values (y-coordinates). With that rule alone, we can look at the different groups of coordinate points, and find which of the groups don't have repeating x-coordinates.

Let us look at each group:
{(-6, 4), (-6, 2), (2, 9), (1, 4)}  contains 2 pairs with the -6 x-coordinate, so this is not a function.

{(1, 2), (4, -1), (1, 2), (-3, 4)}  contains 2 pairs with the 1 x-coordinate so this is not a function.

{(8, -2), (-4, 3), (8, 4), (-2, 3)} contains 2 pairs with the 8 x-coordinate so this is not a function.

{(8, 2), (9, -2), (7, 0), (-3, 6)} does not have any repeating x-coordinates, so this relation is a function.

A blueprint is drawn using a scale of 2 mm over 25 ft. What length is represented by 1 mm?A) 12.5 ft
B) 50 ft
C) 10.5 ft
D) 23 ft

Answers

The length of 1 mm is12. 5 ft
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