<h3>Answers:</h3>
- (a) The function is increasing on the interval (0, infinity)
- (b) The function is decreasing on the interval (-infinity, 0)
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Explanation:
You should find that the derivative is entirely negative whenever x < 0. This suggests that the function f(x) is decreasing on this interval. So that takes care of part (b).
The interval x < 0 is the same as -infinity < x < 0 which then translates to the interval notation (-infinity, 0)
Similarly, you should find that the derivative is positive when x > 0. So the function is increasing on the interval (0, infinity)
Answer: The correct option is (A). 464 square units.
Step-by-step explanation: We are given a rectangle inside a regular hexagon in the figure.
We know that each side of a regular hexagon has same measure, so the measure of each side is
a = 18 units.
Therefore, the area of the regular hexagon is given by

Since the rectangle has length and breadth of 21 units and 18 units respectively, so the area of the rectangle is

Thus, the area of the shaded region in the figure will be

Hence, option (A) is correct.
Answer:
$20.11 (assuming S325 was meant to be $3.25)
Step-by-step explanation:
50.00 - 5.52 = 44.48
44.48 - 3.25 = 41.23
41.23 -21.12 = 20.11
Hope this helps <3
The answer is 66.
66 * 3 = 198
66 * 5 = 330
Answer:
10 books approx
Step-by-step explanation:
Step one:
Given data
Hight of cupboard= 1.21m
Thickness of book= 12.5cm
thickness in meters= 12.5/100= 0.125m
Required
The number of books need to fill the Cupboard
Step two:
the number of books can be computed as
= 1.21/0.125
=9.68 book
=10 books approx