5
e 2n+1 evaluate
n=1

3
e 3n evaluate
n=1

type the formula for the number of permutations of n things taken r at a time.
p(n, r)=?

type the formula for the number of circular permutations of n things.
pc(n, n) = ?

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

Question: a) does the given set of points represent a linear function? how do you know? b) assume that the point (-2,4) lies on the graph of a line. what y-values could complete this set of ordered pairs that lie on the same line: (- (hint: there are several correct answ

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?