
Substitute the values of x to the equation of the function f:

Therefore we have two points (-1, 7) and (2, 1).
We can calculate the slope of line l.
The formula of a slope:

Substitute:

<h3>Answer: A) -2.</h3>
Answer: £245
Step-by-step explanation:
24.5 hours from wednesday to saturday
24.5 X 10 = 245
The conclusion is valid
it is a systematic random sample
and the second one is a line graph (I think)
Answer:
9
Step-by-step explanation:
Raise 3 to the power of 2.
Answer:
540 is the ans
Step-by-step explanation:
this is the correct answer