Can someone pls help me? I don’t really get this

What best describes the domain of a function ?

mestny [16]

Answer:

the set of all possible input values.

Step-by-step explanation:

6 0

3 years ago

Pleaseee answer I realllyyy neeedddd helpppll

Gnom [1K]

Answer:

x is the independent variable

y is the dependant variable

-3 is the rate of change (otherwise known as gradient or slope)

-7 is the initial value

Step-by-step explanation:

The dependant variable is the variable which is determined by the value of the independent variable;

So, if we say x = 1, then the value of y is as follows, y = -3(1)-7 = -10;

The independent variable is (practically) always the x-values and the dependant variable is (practically) always the y-values.

Conventionally, the independent variable, on a graph, is on the x-axis and the dependant variable is on the y-axis.

The rate of change/gradient, in the case of line equations, is simply the coefficient of x, which is just the number that appears before "x" in the equation, i.e. -3.

The initial value is found simply by setting x = 0, and calculating the value of y;

This will always be the number in the equation that is not the coefficient of x, i.e. the number added or subtracted in the equation, -7 in this case.

5 0

3 years ago

A school district is considering a change that would involve switching the daily start times for its elementary and

aleksklad [387]

Using the Central Limit Theorem, it is found that each random sample must have at least 10 parents supporting the change and 10 opposing.

<h3>What does the Central Limit Theorem state?</h3>

It states that for a <u>proportion p in a sample of size n</u>, the sampling distribution of sample proportion is approximately normal with mean $\mu = p$ and standard deviation $s = \sqrt{\frac{p(1 - p)}{n}}$ , as long as $np \geq 10$ and $n(1 - p) \geq 10$ .