If someone could help me!

Mathematics

1 answer:

daser333 [38]3 years ago

3 0

The answer is choice C) All real numbers from 0 through 35.

The domain is the set of allowed inputs (x). The points on this graph have x coordinates that span from x = 0 to x = 35. Because x is time in minutes, we can have fractions of a minute (eg: x = 7.5 ---> 7 and a half minutes). So we won't just have integers.

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Gabe spent $2000 to buy a piano for his music studio. He earns $25 per hour giving piano lessons to students. Let h be the numbe

aksik [14]

Answer:

y=25h-2000

Step-by-step explanation:

you would need to subtract the 2000 in order to know when you made a profit from buying the piano. and then the 25h is the amount of hours teaching.

5 0

3 years ago

What matrix multiplication is possible ?

gizmo_the_mogwai [7]

Answer:

Firstly, it is important to note that the multiplication of matrices is done in this way:

Columns x Rows or viceversa

Now, two matrices can be multiplied only if their dimensions are compatible, which means that the number of columns in the first matrix must be equal to the number of rows in the second matrix.

In other words:

Two matrices A and B are said to be multiplies if the number of columns in A coincides with the number of rows in B.

In this context, the correct option is:

$\left[\begin{array}{c}1&-1\end{array}\right] \left[\begin{array}{cc}0&4\end{array}\right]$