Answer:
You need to buy 12 books to get a $15 coupon.
Step-by-step explanation:
Giving the following information:
You get a $5 coupon for every 4 books you buy.
<u>First, we need to structure the total coupon formula:</u>
Total coupon= 5*x
x= pack of four books
<u>Now, for $15</u>
15 = 5x
15/5= x
3= x
4*3= 12
You need to buy 12 books to get a $15 coupon.
The items below discuss each choices and states whether the statements are true or false.
(A) It can be seen from the table that if the value of x is -2 then, the value of y is 6. Therefore, this statement is TRUE.
(B) The term range refers to the values of y that can be the result of substituting any x value to the equation generated from the given data. As per table, it can be seen that the values of y can range from negative infinity to positive infinity so long as the number of real. This statement is TRUE.
(C) The choice says f(5) = -2. This statement is FALSE because it should be written as, f(-2) = 5 given that x is the independent variable and y or f(x) is the dependent variable.
(D) The domain is the range of number that the values of x may take. As per the table, the domain is at -2 to 6. Therefore, this statement is TRUE.
The significance of 3,548 estimates the average grams of salt used in 2012.
A connection between independent variables and the dependent variable.is defined by the function.
Functions help to represent graphs and equations. A function is represented by two variables, one is dependent, and another one is an independent function.
The study discovered that the function can represent the data after the year 2012 as,
f(x) = 52.3x + 3,548
Where x is the number of years since 2012.
Hence, The significance of 3,548 estimates the average grams of salt used in 2012.
To learn more about the function here ;
brainly.com/question/12431044
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