for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2
step-by-step explanation:
g(x)=x-2
f(x)=|x|
(g o f)(a)=?
(g o f)(x)=g(f(x))
(g o f)(x)=g(|x|)
(g o f)(x)=|x|-2
(g o f)(a)=|a|-2
an = 22 + (n-1) *6
110 seats
an=a1+(n-1)(d)
a1 = 22 this is the first item in the sequence
d =6 this is how the sequence goes up
a) an = 22 + (n-1) *6
b) a12 = 22 + (12-1) *6
a12 = 22+11*6
a12 = 22 +88
a12 = 110