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Vera_Pavlovna [14]
3 years ago
13

The given table and equation represent the cost for carnival rides.

Mathematics
2 answers:
lozanna [386]3 years ago
8 0

Answer:

The ordered pairs that are presented are (7, 99.5) and (3, 51.5)

Step-by-step explanation:

We are given the cost function of the carnival rides as

c=15.5+12f

which is a typical linear expression of the form y=ax+b where here y=c, f=x,  a=12  and  b=15.5. To check if an ordered pair i.e. a point (x,y) , is represented by the table we can simply plug in the equivalent x value in the equation, and check if the result matches the y value.

So, lets assume that all points are given correctly and they are as follow:

A. (7, 99.5)\\B. (75.5, 5)\\C. (3, 51.5)\\D. (123.5, 9)

Now let us check each point with our function as follow:

<u>Point A</u>

(7,99.5)\\\\c=15.5+12(7)\\c=15.5+84\\c=99.5

So point A is part of the equation.

<u>Point B</u>

(75.5,5)\\c=15.5+12(75.5)\\c=15.5+906\\c=921.5

So point B is NOT part of the equation.

<u>Point C</u>

<u />(3,51.5)\\c=15.5+12(3)\\c=15.5+36\\c=51.5<u />

So point C is part of the equation.

<u>Point D</u>

<u />(123.5,9)\\c=15.5+12(123.5)\\c=15.5+1482\\c=1497.5<u />

So point D is NOT part of the equation.

Alika [10]3 years ago
7 0

Answer:

(7, 99.5) and (3, 51.5)

Step-by-step explanation:

A and D

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