Answer:
315
Step-by-step explanation:
Area = Length x Width
Area = 21 x 15
Area = 315
For the answer to the question, i<span>f a function uses variables other than x and y for its input and output variables, you take the original equation and solve for the input variable to find the inverse.
The answer is Simply true. But in real life it's false.
I hope my answer helped you.</span>
Yes this is a function because the definition of a function is if the x doesn’t repeat and we can test this with the vertical line test that states that if you put an imaginary line where the points are the x shouldn’t repeat in this case this is true as the x doesn’t repeat
Your welcome
