What is the average rate of change for the function f(x)=3(0.25)^x over the interval -2 ≤ x ≤ 0
1 answer:
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Answer:
C:
Step-by-step explanation:
Since a = :
Since n = 4 :
Answer:
y = - x + 2
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 = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (0, 2) and (x₂, y₂ ) = (4, 0) ← 2 points on the line
m = =
= -
The line crosses the y- axis at (0, 2) ⇒ c = 2
y = - x + 2 ← equation of line