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Leno4ka [110]
3 years ago
9

Felix was asked whether the following equation is an identity: (x^2-1)^2=(x^2-1)+(2x)^2

Mathematics
1 answer:
Rudiy273 years ago
7 0

Answer:

The answer is no

Step-by-step explanation:

The equation is not an identity

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If the function f(x) = (2x - 3)2 is transformed to g(x) = (-2x - 3), which type of transformation occurred?
san4es73 [151]

Answer:

A. horizontal reflection

Step-by-step explanation:

Given:

f(x)=(2x-3)^2

g(x)=(-2x-3)^2

To identify the type of transformation.

Solution:

On close observation of the functions we find the that sign of x has changed in g(x) with other terms being constant.

<em>Thus, the transformation statement can be given as:</em>

f(x)\rightarrow f(-x)

As:

f(x)=(2x-3)^2

f(-x)=(2(-x)-3)^2= (-2x-3)^2 = g(x)

The transformation f(x)\rightarrow f(-x) describes horizontal reflection of function across the y-axis.

Thus, f(x)  is horizontally reflected across y-axis to get g(x).

8 0
3 years ago
6 The area of a square is 32.5 square inches. Which best represents the length of one side of the square? F 32.5 -16 in. 16 . 5
laiz [17]

Answer:

The answer will be 5.701

Step-by-step explanation:

Find the square root of the area of the square

7 0
3 years ago
adam walk 2 miles a day for the first week of his exercise plan. the he walk 3 miles a day for the next 9 days. how many miles d
Digiron [165]

Answer:

41 miles

Step-by-step explanation:

The first week, which is 7 days, Adam walked 2 miles a day. So, we have the multiplication equation: 2 * 7 = 14 miles.

For the next 9 days, Adam walked 3 miles per day. So, we have the multiplication equation: 3 * 9 = 27 miles.

Now, we just add these two values together:

14 + 27 = 41 miles

Thus, the answer is 41 miles.

Hope this helps!

7 0
3 years ago
I will give brainiest to whoever answers correctly !!
Lisa [10]

Answer:

The number of units decreased by 8.7\%.

Step-by-step explanation:

Initially, 470 units were sold. The following 429 units were sold, meaning this was 470-429=41 less units than last year. Thus, the number of units sold decreased and the percent of decrease is:

\frac{41}{470}\approx 8.7\%

4 0
2 years ago
Solve the compound inequality.
aivan3 [116]

Option D:

x

Solution:

Given compound inequality:

6-x>15 \text { or } 2 x-9 \geq 3

Let us first solve 6-x>15.

Subtract 6 from both sides.

6-x-6>15-6

-x>9

To reverse the inequality multiply by -1  on both sides.

(-x)(-1)

x

Now solve the next inequality 2 x-9 \geq 3.

Add 9 on both sides.

2 x-9+9 \geq 3+9

2 x \geq 12

Divide by 2 on both sides.

$\frac{2 x}{2} \geq \frac{12}{2}

x \geq 6

Combine the inequality.

x

Option D is the correct answer.

5 0
3 years ago
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