Carla is ordering pizzas for delivery. each
pizza costs $8, and there is a $6 delivery
charge per order.

a. write the function f(x) that carla can
use to determine the amount she will
pay for having x pizzas delivered.

b. find the inverse of function f(x).

c. what does x represent in the inverse
function f -1
(x) in part b?

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?