given
f
(
x
)
=
x
3
+
k
x
+
12
f(x)=x
3
+kx+12, and the remainder when
f
(
x
)
f(x) is divided by
x
+
5
x+5 is
−
68
−68, then what is the value of
k
k?

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

If g(x) is an odd function, which function must be an even function?

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?