Which of the following relations is NOT a function?

Mathematics

1 answer:

Rama09 [41]3 years ago

7 0

Answer:

Step-by-step explanation:

Hello There!

In order for a relation to be a function none of the x values can repeat

In graph b literally all of the x values are the same therefore relation b is not a function

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Ryan made a $3000 down payment on a car. the total cost of the car was $7500. He made 36 equal monthly payments to pay the car i

yawa3891 [41]

The car costs $7500
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3 years ago

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diamong [38]

Answer:

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3 years ago

What is value of x?<br> Enter your answer in the box.

marin [14]

Answer:

$x \ = \ 10$

Step-by-step explanation:

Let point $D$ be the point where the straight line drawn from point $A$ meets the straight line $BC$ , it is evident that $\triangle ABD$ and $\triangle ACD$ is similar given that both triangles share the same angle, $\angle BAD \ = \ \angle DAC$ . Hence, the ratio of the sides of each triangle is the same. Specifically,

$\displaystyle{\frac{x+4}{8} \ = \ \frac{2x+1}{12}}$ .

Performing cross multiplication yields

$12\left(x+4\right) \ = \ 8\left(2x+1\right) \\ \\ \rule{0.15cm}{0cm}12x+48 \ = \ 16x+8 \\ \\ \rule{1.1cm}{0cm} 4x \ = \ 40 \\ \\ \rule{1.3cm}{0cm} x \ = \ 10$ .