Why is it important for the leading coefficient to be non zero

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?

5. (03.02)if g(x) = x2 + 3, find g(4). (2 points)1619811

Find the interior angle of a regular polygon which has 6 sides