Answer:
<em>m=1.7</em>
<em>C=68 gr</em>
Step-by-step explanation:
<u>Function Modeling</u>
We are given a relationship between the carbohydrates used by a professional tennis player during a strenuous workout and the time in minutes as 1.7 grams per minute. Being C the carbohydrates in grams and t the time in minutes, the model is

The slope m of the line is the coefficient of the independent variable, thus m=1.7
The graph of C vs t is shown in the image below.
To find how many carbohydrates the athlete would use in t=40 min, we plug in the value into the equation

Answer:
C
Step-by-step explanation:
Answer:
see below
Step-by-step explanation:
Each segment in ΔA"B"C" is 3 times the length of the corresponding segment in ΔABC. This is due to the dilation by a scale factor of 3.
Then you have ...

The latter relation matches the second choice.
Answer: 13 players.
Step-by-step explanation:
1. Let's call:
: Price of the shirt (
)
: Price of socks 
: number of players.
2. You know that the budget is $300 and you have the following formula given in the problem:

3. Substitute values and solve for
.Then, you obtain the following result:

4. The answer is: 13 players.