I’m thinking the answer is A :)
A. Y=2x+4
B. Y=4x+2
C. Y=2x-4
D. Y=4x-2

A

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m =

with (x₁, y₁ ) = (- 2, 0) and (x₂, y₂ ) = (0, 4) ← 2 points on the line

m = = = = 2

The line crosses the y- axis at (0, 4 ) ⇒ c = 4

y = 2x + 4 → A

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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