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Fudgin [204]
2 years ago
12

Why is y=cosx a polynomial function

Mathematics
1 answer:
Komok [63]2 years ago
5 0
The graph of the cosine function<span>: A </span>function<span> f is said to be </span>odd, provided that f(–x) = –f(x<span>), for all </span>x<span>. Such </span>functions<span> have graphs that are symmetric about the origin: Also any </span>function<span> with a graph symmetric about the origin is an </span>odd function<span>.  hope that helped.</span>
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Can someone please help me​
4vir4ik [10]

Answer:

40

Step-by-step explanation:

Two ways we can solve this problem:

1. Graphically

2. Mathematically

Because you already solved it graphically, I will show you how to do so mathematically. Of course, graphically is much much easier and more efficient in this problem.

Let's break the problem down.

First, we are given a graph which contains a slope.

To find slope, we use the technique -> rise/run

Picking 2 obvious points from the graph, we can see

1st point -> (10, 20)

2nd point -> (40, 80)

Now, let's find the slope

\frac{80-20}{40-10}  = \frac{60}{30}  = 2

Now, we have an equation y = 2x, where y = number of pies and x = cups of sugar

We want to find how many cups of sugar we need to bake 80 pies. Simply substitute 80 = number of pies = y

y = 2x -> 80 = 2x

Solving for x, divide both sides by 2

40 = x

We need 40 cups of sugar.

3 0
2 years ago
Which is greater? 12.045 or 12.54
Pavlova-9 [17]

Answer:

12.54

Step-by-step explanation:

5>0

6 0
3 years ago
Read 2 more answers
If x = 48 cm and y = 55 cm, what is the length of w?
castortr0y [4]
The answer for this question is 103
7 0
3 years ago
Read 2 more answers
I need to know if this works
Delvig [45]
Can you see it ? I hope the picture help !

3 0
3 years ago
What is 16x9+67x9 can someone help me?
vazorg [7]

Answer: 747


Step-by-step explanation:

16x9+67x9

First multiply 16 and 9 which is equal to 144

144+67x9

now multiply 67 and 9 which is equal to 603

144+603

Now add 144 and 603 which is equal to 747

So the answer to 16x9+67x9 is 747




5 0
3 years ago
Read 2 more answers
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