Answer: We can use equations to represent the measures of the angles described above. One equation might tell us the sum of the angles of the triangle. For example,
X°+145°=180° because there supplementary angles.
X°=35° because 180-145=35°.
Replace x with each value then solve:
f(3) = 2(3) +1 = 7
f(0) = 2(0) +1 = 1
f(2) = 2(2) +1 = 5
f(1) = 2(1) + 1 = 3
Now you have:
7 -1 / 5 -3 = 6/2 = 3
The patern would be 1, 2, 4, 7, 11, 16, 22,.....