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irakobra [83]
2 years ago
14

If f(x)=3x squared -2x + 1 what is f(x-2)

Mathematics
1 answer:
meriva2 years ago
5 0

Answer:

f(x-2) = 3x^2 - 14x + 17

Step-by-step explanation:

All you have to do is put (x-2) for every x:

3(x-2)^2 - 2(x-2) + 1

Make sure you FOIL (x-2)^2 first:

x^2 - 4x + 4

Now distribute the 3:

3x^2 - 12x + 12

Now distribute the 2 in the 2(x-2):

3x^2 - 12x + 12 - 2x + 4 + 1

Combine like terms:

3x^2 - 14x + 17 = f(x-2)

Hope that helps!

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A line with a slope of 3 passes through (2,5). Which choice is an equation of this line? Please help
jek_recluse [69]

Answer:

Top right.

Step-by-step explanation:

So we want a line with a slope of 3 and passes through (2,5).

To do so, we can use the point-slope form.

The point-slope form is:

y-y_1=m(x-x_1)

m is the slope and x₁ and y₁ is an ordered pair.

Thus, let m be 3, y₁ be 5, and x₁ be 2. Thus:

y-5=3(x-2)

Our answer is the top right :)

3 0
3 years ago
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Which link between two elements could you remove from the relation so that it becomes a function? 1 and c or 3 and a 4 and d or
shtirl [24]
It would make more sense to remove 4 and D

8 0
3 years ago
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Two accounts earn simple interest. The balance yy (in dollars) of Account A after xx years can be modeled by y=10x+500y=10x+500.
GrogVix [38]
1)
A has a greater principal

2) 
Principal of A is $500, the principal of B is $400, so A's principal is greater by $100

3)
Annual interest rate of A:
10/500 x 100
interest rate of A = 2%
The interest rate of B is higher.

4)
B's annual interest rate is 5% and A's annual interest rate is 2%, so B's is higher by 3%.
6 0
3 years ago
What is 12.05 as a fraction
hram777 [196]

Answer:

241/20

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4 0
3 years ago
1) solve for w: 3w - 10 = 4w + 5<br> 2) solve for t:6 -2t &gt;18
Gre4nikov [31]
Problem # 1
 3w-10=4w+5
(3w-10) + (10-4w) = (4w+5) + (10-4w)
(3w-10) + (-4w+10) = (4w+5) + (-4w +10)
3w-10-4w+10 = 4w +5 -4w +10
3w-4w=15
-w=15
w= -15 (w is negative 15)

problem #2.
6-2t > 18
6-2t-6 > 18-6
-2t > 12 
(-1) (-2t) >  12 (-1)
2t > -12
next divide by 2
2t/2 > -12/2
 t >  -6     (t is greater then negative 6)

 
5 0
3 years ago
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