Community pool offers two types of memberships monthly and annually to begin the year the membership was 10: 3 offered incentives after it was 5: 8 if there is 50 monthly members after incentive how many monthly before

Can someone me with the property questions for 12 13 and 14 plz

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

What is the inverse of the function f(x) = 2x + 1?