Turn f(x) into y so the equation is y=x+2. Now switch their places so it is x=y+2. Now solve for y. The answer is y=x-2.
Answer:
256
Step-by-step explanation:
sum of the first n odd number is n^2
if we want to find the sum of of 1 thru 31
to find out how many numbers that is
(1+31)/2 = 32/2 =16
there are 16 numbers
n^2 =16^2 =256
