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zhannawk [14.2K]
4 years ago
9

Find the intervals in which the function f given by

Mathematics
1 answer:
Ratling [72]4 years ago
3 0
The function f(x) = sinx + cosx is strictly increasing on the interval [0, π/4) ∪ (5π/4, 2π] and is strictly decreasing on the interval (π/4, 5π/4).
You might be interested in
Evaluate the expression 6•14-(9+8)2
lora16 [44]

Answer:

50

Step-by-step explanation:

First things first, use PEMDAS.

Parenthesis is first.

(9+8) is in parenthesis. 9+8 is obviously 17.

The equation now looks like this:

6 x 14 - 17 x 2

There is no exponents, but there is multiplication. 6 x 14 is 84 and 17 x 2 is 34. They both are multiplication equations.

The equation now looks like this:

84 - 34

84-34 is 50. 50 is your answer.

8 0
3 years ago
Please important answer, as soon as possible I will thank you and mark as brainlist
denis23 [38]
10:12
15:18
i got this from doubling the first to make 5 = 10 and then that made 6 = 12. the second one was the same but tripled to make 6 = 18 and then that made 5 = 15
3 0
3 years ago
While exercising Ricardo walked 1/8 of a mile in 1/9 of an hour. At this rate, how far will he have travelled after an hour?
SSSSS [86.1K]

\bf \begin{array}{ccll} miles&hours\\ \cline{1-2}\\ \frac{1}{8}&\frac{1}{9}\\\\ x&1 \end{array}\implies \cfrac{~~\frac{1}{8}~~}{x}=\cfrac{~~\frac{1}{9}~~}{1}\implies \cfrac{~~\frac{1}{8}~~}{\frac{x}{1}}=\cfrac{1}{9}\implies \cfrac{1}{8x}=\cfrac{1}{9} \\\\\\ 9=8x\implies \cfrac{9}{8}=x\implies 1\frac{1}{8}=x

6 0
4 years ago
W(x)=4x+5, find w(-8)
Genrish500 [490]
Just Put -8 in for X 4(-8)+5   goes to -32+5 to       27
3 0
3 years ago
Read 2 more answers
Only do the highlighted ones please and thank you
Slav-nsk [51]

Answer:

1. 193.2 in³

4. 628.32 ft³

Step-by-step explanation:

For the rectangular prism, just find the area of each individual side and add. For the cylinder, just do πr²×h, with r being the radius and h being the height.

6 0
3 years ago
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