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Alenkinab [10]
3 years ago
12

PLEASS HHELPPPP

Mathematics
1 answer:
hodyreva [135]3 years ago
6 0
23 degrees fahrenheit
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3.) Write the equation of a quadratic function that is shifted down 4 and horizontally compressed by 1/5
sashaice [31]

Answer:

5x^2 - 4

Step-by-step explanation:

For shifted down a function you have to follow the next structured:

f(x) - c

In our case is:

x^2 - 4

Now for compressed or shrink a graph you have to multiply by a factor in the input something like this:

f(cx)

In our case is:

5x^2

Maybe you can think, why 5 and not \frac{1}{5} instead?. Well, when you multiply by \frac{1}{5} this dilate or stretch the graft because the output of each value is smaller, example:

f(x) = x^2\\g(x) = \frac{1}{5} x^2

Then evaluate for a number, for example 5:

f(5) = 25\\g(5) = 5

the output of g(x) is 5 steps a far from the answer of f(x) this in a graph is illustrate as a stretching.

So the opposite happen when you multiply by a integer number, the graph is compressed because the output take the "faster steps".

So combine the two transformation and get 5x^2 - 4

8 0
2 years ago
Solve for x in parts below:​
Luden [163]

Answer:

x=30°

Step-by-step explanation:

50 + x =80 degree (sum of two interior opposite angles is equal to the exterior angles formed)

x=80-50

x=30 degree

8 0
3 years ago
Read 2 more answers
Solve the inequality 28<6x-2
ycow [4]

Answer:

5 < x

Step-by-step explanation:

28<6x-2

Add 2 to each side

28+2<6x-2+2

30 < 6x

Divide each side by 6

30/6 < 6x/6

5 < x

7 0
3 years ago
Read 2 more answers
2. The price of 1 kg potatoes increased from
mestny [16]

Answer:

+75%

Step-by-step explanation:

20 * x = 35

x = 35 / 20

x = 1.75

3 0
3 years ago
Read 2 more answers
Apple + Orange = $20<br> Apple is twice the price of the orange <br> How much does the apple cost?
OverLord2011 [107]
It costs 40 dollars bcz twhce the number of 20 is 40 its like multiple by 2
7 0
3 years ago
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