Number System 13. John is buying a subscription to a magazine club. The function c = 40+ 2.25m describes the
cost of the yearly subscription, c, in terms of the number of magazines, m, he orders. What is
the appropriate domain for the function?
A. The set of integers.
B. The set of whole numbers.
C. The set of all real numbers. D. The set of rational numbers.

15.5

step-by-step explanation:

5

∑

n = 1

substitute n = 1, 2, 3, 4, 5 and sum the terms

= + + + 2² + 2³

= 0.5 + 1 + 2 + 4 + 8

= 15.5

85.3-64 = 21.3

so laura has already added 85.3 grams of chocolate powder and she has gone over the amount specified in the recipe by 21.3 grams

hope i ! have a great  day!

the answer is a) a healthy economy because it results from a steady rise in demand.