MATHEMATICS HIGH SCHOOL

What is the rule for the function shown in the table? x|-1|0|1|2
y|-2|1|4|7

A. y = 1/3x + 1
B. y = 3x +1
C. y = 1/3x
D. y = 1/2x + 1

Answers

Answer 1
Answer: It's a linear function.
y=mx+b \n \nx_1=-1 \n y_1=-2 \n \n x_2=0 \n y_2=1 \n \nm=(y_2-y_1)/(x_2-x_1)=\fac{1-(-2)}{0-(-1)}=(1+2)/(0+1)=(3)/(1)=3 \n \ny=3x+b \n(0,1) \n1=3 * 0+b \n1=0+b \nb=1 \n \n\boxed{y=3x+1} \Leftarrow \hbox{answer C}
Answer 2
Answer:

Answer:

The answer is B: y = 3x + 1

Step-by-step explanation:

Look at the response above this to see the explanation!

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Over twenty years, it was found that the number of doctors of medicine, MD (in thousands), in the United States can be approximated by MD=(28,390+693t)/(85-t) where t=0 represents 1980. The number of doctors of osteopathy, DO (in thousands), can be approximated by DO=(776-12t)/(65-2t) .Write an expression for the total number I of doctors of medicine (MD) and doctors of osteopathy (DO). Simplify the result.

How many MDs did the United States have in 2010? How many MDs did the United States have in 2010?

Answers

The expression for the total number of doctors is (-1374t^2+43192.22t+67805.35)/((65-2t)(85-t) )

We have to write an expression for the number of MD and DO

a. MD + DO

(28390+693t)/(85-t) +(776-12t)/(65-2t)

This can be simplified as

((28390+693t)(65-2t)+(776-12t)(85-t) )/((85-t)(65-2t) )

= (-1374t^2+43192.22t+67805.35)/((65-2t)(85-t) )

b. If t = 0 in 1980, in 2010, t = 30

The number of MD would be

(28390+693*30)/(85-30) \n= 379

The number of DO would be

(776-12*30)/(65-2*30)\n\n= 83

Read more on mathematical expressions here: brainly.com/question/723406

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Answer:

16. the expression below.

17. about 470,933 MD's and about 18,743 DO's

N2 = 39


HELP YALL ILL GIVE BRAINLY

Answers

Answer: 78

Step-by-step explanation: multiply 39 by 2
The answer to this question is 78

Jill had $125 to spend at the mall. She spent 27% of that money on a pair of shoes. Jill spent $___ on the shoes. (Make sure to enter the answer as a decimal number only. Do not enter special characters such as the dollar symbol.) Answer for Blank 1:

Answers

Answer:

33.75

Step-by-step explanation:

Amount planned to spend = $125

Pairs of shoes = 27% of $125

Amount spent on shoes = 27% of 125

= 27 / 100 × 125

= 0.27 × 125

= 33.75

Jill spent $33.75 on shoes

Answer:

33.75

Step-by-step explanation:

Y=12x in standard form

Answers

Standard form = Ax + By = C. 0=12x-y

Please help me!! f(x)= \left[\begin{array}{ccc}x^2,&x\leq &1\n2x+1,&x\ \textgreater \ &1\end{array}\right]

A.) Evaluate f(0)

Thanks fam

Answers

The piece wise function is written that if X is ≤1 use the top equation and if x is > 1 use the bottom equation.

f(0) means that X is = 0, so you would use the top equation:

x^2

Replace x with 0 to get 0^2 which is 0 x 0 = 0

F(0) = 0

Round 8.043 to the nearest hundredth

Answers

Rounding to the nearest hundredth would make the answer be: 8.04. Just move the digits over twice to the right and if the number is 5 or greater(for the number 3), the answer would have been: 8.05. But since it is a 3(lower than 5), then the answer would just be 8.04. 
Hope this helps! :-)
It is 8.because you look at the 4 cuz it is in the hundredths place the you look at the 3 if it is 4 or less take it away if it is 5 or more add 1. It's less so take everything away that is behind the decimal
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Answer please. Will give brainliest! As soon as possible.