The formula for converting from Celsius to Fahrenheit temperatures is F=9/5C+32"Determine whether the original formula is a function, and whether the inverse is a function''
A. Original is a function; inverse is not
B. Original is a function; inverse is a function
C. Original is not a function; inverse is not a function
D. Original is not a function; inverse is a function

Answers

Answer 1
Answer: Both the original and the inverse are functions because for each value of C there is a unique value of F and vice-versa.

i.e.
B. Original is a function; inverse is a function
Answer 2
Answer:

Answer:

The correct option is B.

Step-by-step explanation:

The formula for converting from Celsius to Fahrenheit temperatures is

F=(9)/(5)C+32

A relation is called a function if there exist a unique output for each input.

The original formula is a  function because for each value of C, there exist a unique value of F.

The inverse of the function is

F-32=(9)/(5)C

(5)/(9)* (F-32)=C

The inverse is also a function because for each value of F, there exist a unique value of C.

Therefore original is a function; inverse is a function. Option B is correct.


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Find the x-intercept of the parabola of with vertex (1,20) and the y-intercept (0,16). write your answer in this form: (x1,y1),(x2,y2)

Which statement is true about a line and a point

Answers

A point is a location and a line has points on it.
well a point is a location and a line has many points located on it, I hope that answered your question or is close to one of the choices

3. Given the following functions f(x) and g(x), solve f[g(7)] and select the correct answer below:f(x) = 4x + 21

g(x) = 2x + 2

16
49
85
784

Answers

The value of the required function f[g(7)] is 85.

What is a function?

A function is a relation between the input and the output of a system.

Given functions are:

f(x)= 4x + 21\ng(x)=2x+2

Therefore, the required function:

f(g(x))\n= 4g(x)+21\n= 4(2x+2)+21\n= 8x+8+21\n= 8x+29

Now,

f[g(7)]\n= 8(7)+29\n= 56+29\n= 85

Learn more about a function here: brainly.com/question/12854410

#SPJ2

Hello,
f(g(x))=f(2x+2)=4(2x+2)+21=8x+29
f(g(7))=8*7+29=56+29=85

Sarah is the president of the drama club and wants to publish a newspaper. Expenses are $.90 for printing and mailing each copy, plus $600 total for research and writing. The price of the newsletter is $1.50 per copy. How many copies of the newsletter must the club sell to break even?. . a. To break even, the drama club must sell 1000 copies. . b. To break even, the drama club must sell 100 copies. . c. To break even, the drama club must sell 250 copies. . d. To break even, the drama club must sell 444 copies. .

Answers

Let: x = number of copies sold

We can formulate the following equation to solve for x:

1.50x - 0.9x - 600 = 0

x = 1000

Therefore, the club must sell 1000 copies to break even. Among the choices, the correct answer is A. 

Please help 7th grade math

Answers

Answer:

x=20, g=100, f=80

Step-by-step explanation:

when ever somthing is suplementary it means the the answer will euqal to 180 degrees. That means your equation is going to be

3x+40+5x-20=180

8x+20=180

8x=160

x=20

Finding g

3(20)+40

60+40

g=100

FInding f

5(20)-20

100-20

f=80

For which of the following sequences is it true that every term (after the first one) is 4 less than the previous term A. -3,1,5,9
B. 9,5,1,3
C. 7,3,-1,-5
D. 8,4,8,4

Answers

its C. 7, -3,-1,-5
.......

Suppose that normal human body temperatures are normally distributed with a meanof 37°C and a standard deviation of 0.2°C.
What percent of humans have a temperature between 36.6°c and 37.4°c?
Which normal curve is shaded correctly for this problem?

Answers

Answer: Choice B

Explanation:

Let's convert the raw score x = 36.6 to its corresponding z score.

z = (x-mu)/sigma

z = (36.6 - 37)/(0.2)

z = -2

Note that mu and sigma represent the mean and standard deviation respectively. The score z = -2 means we're 2 standard deviations below the mean.

Following those similar steps, you should find that x = 37.4 leads to z = 2.

The temperatures we're focused are on the interval -2 \le z \le 2, i.e. the z values are between -2 and 2 inclusive.

Therefore, the range of temperatures are within 2 standard deviations of the mean.

Visually, we'll go for choice B since this shows the lower two sections shaded (ie the panels to the left of the center) and also the upper two sections shaded. According to the Empirical Rule, this accounts for roughly 95% of the normal distribution.