A car travels a distance of d km in t hours. The formula that
1 answer:
Answer:
Direct Variation
Step-by-step explanation:
Given: A car travels at a distance of km. The formula that relates
to
is
To find: kind of variation
Solution:
The formula that relates to
is
Here, is a constant of proportionality.
Constant of proportionality is also called as constant of variation.
varies directly as
.
Therefore, this is a direct variation.
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Only p(x) has an average rate of change of -4 over [-2, 2].
Find the average rate of change of each given function over the interval [-2, 2]]:
The average rate of change of m(x) over [-2, 2]:
<h3>What is the average rate?</h3>The average rate of change =
Where, a = -2, m(a) = -12
b = 2, m(b) = 4
Plug the values into the equation
The average rate of change
The average rate of change = 4
The average rate of change of n(x) over [-2, 2]:
The average rate of change =
Where, a = -2, n(a) = -6
b = 2, n(b) = 6
Plug the values into the equation
The average rate of change
The average rate of change = 3
The average rate of change of q(x) over [-2, 2]:
The average rate of change =
Where, a = -2, q(a) = -4
b = 2, q(b) = -12
Plug the values into the
The average rate of change =
=
The average rate of change = -2
The average rate of change of p(x) over [-2, 2]:
The average rate of change =
Where, a = -2, p(a) = 12
b = 2, p(b) = -4
Plug the values into the equation
The average rate of change =
The average rate of change = -4
The answer is D.
Only p(x) has an average rate of change of -4 over [-2, 2].
To learn more about the average rate of visit:
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Answer:
a=9, c=19
Step-by-step explanation:
Aight so basically in 30, 60, 90 triangles there is a formula for the sides
the hypotenuse(the longest side)=2a
The tiny side (the smallest side)=a
and the middle child =
Based on that we see that a is 9
and since c=2a then it's 18