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spayn [35]
4 years ago
13

Identify the maximum and minimum values of the function y = 8 COS X in the interval (-211, 21). Use your understanding of transf

ormations not your graphing
calculator
Mathematics
1 answer:
sleet_krkn [62]4 years ago
5 0

Answer:

max = 8

min = -8

Step-by-step explanation:

Sinusoidal functions take the form of

  y(x) = Acos(ωx + Ф) + k

where A is the amplitude.

k is your vertical shift.

Ф is your phase shift (horizontal shift).

In your case, you have

y = 8cos(x)

y = 8cos(x + 0) + 0

your amplitude is 8 and you're not shifting, so you max and min is just the positive and negative value of your amplitude.

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Function f(x) is represented on the graph. Which statement identifies the effect of replacing f(x) with 1/2f(x) on the graph? A)
Blababa [14]

Answer:

Option (D)

Step-by-step explanation:

If a function f(x) is represented on a graph and we follow the transformation as,

f(x) → k.f(x)

1). If k ≥ 1, graph of the parent function f(x) will be stretched vertically by a factor k.

That means the transformed graph will be narrower.

2). If 0 < k < 1, graph will be vertically compressed or the transformed function will show a wider graph.

Following this rule,

f(x) → \frac{1}{2}.f(x) shows k = \frac{1}{2} [Since 0 < \frac{1}{2} < 1]

Therefore, transformed form will be wider.

Option (D) will be the answer.

3 0
3 years ago
Which number is a multiple of 6? <br> A 65 <br> B 70 <br> C 79 <br> D 96<br> How do I find out?
Elena-2011 [213]
The answer is D ) 96. It is the 16th multiple of 6.
If a number is divisible by 2 and 3, it is divisible by 6
(Or) you can directly divide the number by 6 and if you don't get any remainder then you can confirm that the particular number is a multiple of 6.
96 is an even number and hence obviously it is divisible by 296/3=32 and hence it is also divisible by 3
<span>Hence 96 is a multiple of 6.</span>
3 0
3 years ago
Read 2 more answers
Please help me please really need help please
Advocard [28]

Answer:

x=0

Step-by-step explanation:

4 0
3 years ago
What describes the number and type of the roots of the equation 4x+7=0
Kaylis [27]

Answer:

D : One Real Root

Step-by-step explanation:

Isolate "4x" by subtracting 7 from both sides.

So we get

4x = -7

Then we divide each side by 4 to get -7/4

x = -7/4 so there is only one real root.

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3 years ago
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lesya692 [45]

4 + 5 + 6 = 15
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3 years ago
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