Help please hurry Juan has 20 books to sell. he sells the books for $15 each. The amount of money Juan makes from selling x books is represented by a function.
f(x)=15x
what is the practical range of the function?

all multiples of 15 between 0 and 300, inclusive

all multiples if 20 between 0 and 300, inclusive

all real numbers

all integers from 0 to 20, inclusive ​

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x