Answer:

Step-by-step explanation:
We are given the two functions:

And we want to find:

This is equivalent to:

So, evaluating f(-1) first, we acquire:

Then by substitution:

So:

Therefore:

Your answer is indeed correct.
Answer:
Part 1) The height of triangle is 
Part 2) The width of rectangle is 
Step-by-step explanation:
step 1
Find the dimensions of triangle
The area of triangle is equal to

we have


substitute and solve for h



step 2
Find the missing dimension of rectangle
we have that
The height of the triangle is the same as the width of the rectangle
therefore
