The function f(x)=830(1.2)^× represents the number of students enrolled at a university x years after it was founded. Each year, the number of students is _ the number the year before. A. 2 times
B. 1.2 times
C. 2 more than
D. 0.2 times​

What situation is an example of an observational study

Me n o w. i need t h i s. 10 points

4. (10.03 mc) the equation of line cd is y = −2x − 2. write an equation of a line parallel to line cd in slope-intercept form that contains point (4, 5). (4 points) y = −2x + 13 y = negative 1 over 2 x + 7 y = negative 1 over 2 x + 3 − 2x − 3