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Alex777 [14]
3 years ago
15

If ƒ( x )= 2 x 2 + 3, then ƒ( x - 1)= 2 x 2 + 4 x + 5. true or false

Mathematics
1 answer:
pickupchik [31]3 years ago
3 0
f(x)=2x^2+3\\\\f(x-1)=2(x-1)^2+3=2(x^2-2x+1)+3=2x^2-4x+2+3=2x^2-4x+5\neq2x^2+4x+5\\\\Answer:FALSE
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I have this problem for hw and it’s due tomorrow. can someone please help me? (it’s y-4 not 4-4)
Vesnalui [34]

Answer:

All real numbers

Step-by-step explanation:

-2(y - 4) = 20 - 2y - 12

Start by distributing -2 inside the parentheses.

-2y + 8 = 20 - 2y - 12

Combine like terms on the right side of the equation.

-2y + 8 = 8 - 2y

Subtract 8 from both sides of the equation.

-2y =- 2y

Divide both sides by -2 to isolate y.

0=0

This is a true statement, so there are infinite solutions.

3 0
3 years ago
What is the following sum 4(^5√x^2y)+3(^5√x^2y)
satela [25.4K]
I think it should be B but I’m probably wrong so risk it if you want sorry
8 0
3 years ago
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Find an equation for the line that passes through the given point and satisfies the given conditions. 11) 11) p = ( 9 , 2 ); per
geniusboy [140]

You can use the direction vector as the coefficients of x and y for a line through (0, 0) perpendicular to that direction: x + y = 0. (A common factor of 4 can be removed from the coefficients.)

Translating the line up 2 and right 9, so it goes through the given point, we get ...

... (x -9) +(y -2) = 0

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5 0
3 years ago
determine the diameter to the nearest inch of a large can of tuna that has a volume 6068 inches and a height of 3.3 inches
anyanavicka [17]

Answer:

The diameter of can is<u> 48 inches</u>.

Step-by-step explanation:

Given:

Volume of can = 6068 inches.

And height(h) = 3.3 inches.

Now, to find the diameter.

Diameter = 2 × radius

Let radius be r.

So, by putting the formula of volume we get the radius:

Volume =\pi r^2h

6068=3.14\times r^2\times 3.3 (taking the value of π=3.14)

6068=10.362\times r^2

<em>Dividing both sides by 10.362 we get:</em>

585.60=r^2

<em>Using square root on both sides we get</em>:

24.199=r

<em>Radius = 24.199 inches.</em>

Then, we get the diameter:

Diameter = 2 × radius

Diameter = 2 × 24.199 = 48.398 inches.

Diameter = 48 inches (rounding to nearest, inch as in the place of tenth it is 3 which is less than 5.)

Therefore, the diameter of can is 48 inches.

7 0
3 years ago
What is the slope of a line between the points (-4,-3) and (4, -2)?<br> Nour answer
Rufina [12.5K]

Answer:

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4 0
3 years ago
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