Acandy store keeps track of its sales during the month of october. below is the number of sales for the first, second, third and fourth week of the month.

week 1 ; 2 ; 3 ; 4
candy sales 97 ; 168 ; 259 ; 375

which graph could represent the data shown below?

The graph of the given values is required.

Option B is correct.

The points are

Let us find if the points are in the form of a line by finding the slope.

So, the function is not linear.

Therefore, A and C are incorrect.

Also the function is not decreasing so option D is also eliminated.

Hence, option B is correct.

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From the attached diagram you can see that regression that best fits given data is quadratic (not linear).

correct choice is B.

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,