Answer:
x≤-2
Step-by-step explanation:
it would be that because if the graph is going to the left that means it is less than x and the opposite is for greater than. Now if there is a closed circle that means the sign is equal to hence the line under the sign. So therefore it's x≤-2
Answer:
Step-by-step explanation:
we are to distinguish between
dependent variable independent variable
vs
response variable explanatory variable
An independent variable is one which is not affected by any other variable for example, the amount we spend, the time we study ,etc.
An explanatory variable is a type of independent variable but not fully independent but depends on some factors.
Though explanatory and independent variables are practically used interchangeably the main difference is explanatory variable is not independent but explains the variations in the response varaible.
Answer:
f=-21
Step-by-step explanation:
-21+20=-1
f has to be a negative number as the answer is negative and -21 is the only plug in that would make sence as the answer is negative one.
It would be 2.5E-2 or with the power of 10 it would be 2.5 x 10^-2
The first guy that can answer this will get 5o points
