Yes y=x^2 is a function because Using the definition of a function, y=x^2 is a function because for every x-value in your domain, you will only get 1 unique y-value. A quick check you can do is to use the vertical line test

4 0

1 year ago

Joey answered 21 out of 25 questions correctly on a quiz what percent of his answers were correct

DedPeter [7]

Answer:

84%

Step-by-step explanation:

Joey gives 21 correct answers out of 25 questions on a quiz.

We have to calculate the percent of Joey's correct answer.

Now, percentage of x out of y is given by the simple expression $\frac{x}{y} \times 100$ %.

Hence, the percentage of correct answer given by Joey is given by

$\frac{21}{25} \times 100 = 84$ %. ( Answer )

8 0

2 years ago

William has a 26-liter glass tank. First, he wants to put some marbles into it, all of the same volume. Then, he wants to fill t

ELEN [110]

Snejiejcjdjdkxmxmxmcm j ncmmcmdmeme

8 0

3 years ago

In a certain city there are 4,000 youths between ages 16 and 20 years old who drive cars. If 560 of

Lubov Fominskaja [6]

Step-by-step explanation:

P = 560 / 4000

P = 0.14

There is a 14% probability.

7 0

3 years ago