dinner is $15, with an additional one-time set-up charge of $35. David has a maximum
budget of $150. If p represents the number of people (including David) who will attend
the dinner, which of the following inequalities represents the number of people who can
attend within budget?
A) 15 p ≤ 150 + 35
B) 35 ≤ 150 – 15p
C) 15 p ≥ 150 – 35
D) 35 ≥ 150 – 15p2 .When a virus breaks out, each infected person can infect multiple new people. In a
particularly bad flu outbreak at an elementary school, the number of infected people
triples each day in the first school week of January. If 5 people were sick with the flu on
Monday, which of the following equations best predicts the number of infected people,
I(d), d days after Monday?
A) I(d) = 5 × 3d^2
B) I(d) = 5d^3
C) I(d) = 5 × 3d
D) I(d) = 5 × 9d
3 .During the month of July, the number of units, y, of a certain product sold per day can be
modeled by the function y = –3.65x + 915, where x is the average daily temperature in
degrees Fahrenheit. Which of the following statements must be true?
A) As the temperature increases, the number of units sold decreases.
B) As the temperature increases, the number of units sold remains constant.
C) As the temperature increases, the number of units sold increases.
D) There is no linear relationship between temperature and the number of units sold.
4 .Newton’s law of gravitation describes the strength of the force F between two objects
with masses M and m separated by a distance of r units and is defined as F = .Which of the following gives the value of Newton’s gravitational constant G, in terms of F,M, m, and r ?A) G = Fr^2 MmB) G =