Determine the domain of (f/g)(x) when f(x)=1/x and g(x)=√x+3 A.(-∞,-3)∪(-3,0∪(0,∞)
B.(-∞,-3)
C.[-3,∞)
D.(-3,0)∪(0,∞)

Please explain how you got your answer so I can understand it please.

Nine more than four times a number is the same as one less than twice the number. find the number?

What are the exclude value of mn+3m

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true