The slope of the line below is -5. Which of the following is the point-slope form of the line?
10
10
(2,-8)
A. y - 8 = -5(x + 2)
B. y + 8 = -5(x-2)
C. y - 8 = 5(x + 2)
.
D. y + 8 = 5(x - 2)

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26?

step-by-step explanation:

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.