Answer:

Step-by-step explanation:
Answer:
0 = 9x - 9x
0 = 0
This means it has infinite number of solutions.
Step-by-step explanation:
<h2>HOPE IT HELPS U!!!!</h2>
Swap x and y, f^-1 is and solve for y to get f^-1 the inverse of f. f(f^-1)=f^-1(f)=x is the identity as a check
f(2)=3*2+1=7 (2,7)
f^-1(7)=2 (7,2)
Answer:
total space of an object is area.
it is used in for calculating area of rooms as measurements.