Translate the following statement into a logical expression using quanti-
ers, logical operators and the given predicates with the given domains:
"all students in the class have taken calculus".
let c and q be predicates de ned by c(x) = "x is in the class" and
q(x) = "x has taken calculus".
(a) domain for x: students in the class.
(b) domain for x: all people.

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126