Have choen for eneh wem. Use the graph below to aswer questions 1-3
Cumutatve frequeney curve
25
20
14
15
cumulative frequency
10
5
40
100
60
80
Upper class limits
1. In the Ogive above, what is the total
frequency?
A) 20
B) 25
C) 90
D) 100​

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

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?