Answer:
Step-by-step explanation:
Area = pi r^2 if 3 is the radius
pi (3)^2 = 9 pi in^2
if 3 is the diameter then radius = 1.5
pi r^2 = pi (1.5)^2 in^2
Answer:
a. 1
b. 5
Step-by-step explanation:
<h3>a.</h3>
Ordered pairs are (x, f(x)). You want f(2), so you look for an ordered pair that lists 2 as the first number. That one is (2, 1). This means f(2) = 1.
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<h3>b.</h3>
f(2) is plotted as the point (2, f(2)). That is, the x-coordinate of the point will be 2. The point that has x-coordinate 2 is (2, 5).
As above, this means f(2) = 5.
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