Evaluate the function. Given f(x) = x2 - 4x2 - 3x - 5, find f(5).
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Answer:
y = - x - 3
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 ) = (0, - 3) and (x₂, y₂ ) = (4, - 4) ← 2 points on the line
m = = -
Note the line crosses the y- axis at (0, - 3) ⇒ c = - 3
y = - x - 3 ← equation of line