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galben [10]
3 years ago
6

Answer this please!​

Mathematics
1 answer:
Troyanec [42]3 years ago
8 0

f(x) = 4x + 3

That's one-to-one, a linear function that will give a different f(x) for each different x.

For the inverse let's swap x and y and solve for y

x = 4y + 3

x - 3 = 4y

y = (x- 3)/4

That's the inverse,

Answer:  (x- 3)/4, second choice

The domain and range of the inverse is all real numbers.  It's two lines; I'll leave the graphing to you.

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arsen [322]
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Kelly is in a hot air balloon that has just taken off and is now floating 7 meters above its launching point. Denise is standing
irina1246 [14]

Answer:

9.9 meters

Step-by-step explanation:

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PICTURE ATTACHED IS A DETAILED STEP BY STEP PROCESS OF HOW 9.9m WAS GOTTEN.

8 0
3 years ago
Mathieu is finding the x-intercepts of the function f(x) = x2 + 4x + 3. His work is shown below
Alex_Xolod [135]

Answer:

I can't see Mathieu's work but I will show the right steps and maybe you can find where Mathieu went wrong.

f(x)=x^2+4x+3

f(x)=(x+3)(x+1)       Since 3*1=3 and 3+1=4

The x-intercepts can be found by setting y to 0 and solving for x

(in other words replace that f(x) thing with 0 and solve for x)

0=(x+3)(x+1)

Now set both factors equal to 0

x+3=0       or      x+1=0

x   =-3                    x=-1

The x-intercepts are at (-3,0) and (-1,0)

7 0
3 years ago
Read 2 more answers
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Gnesinka [82]

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3 years ago
Which fraction is equivalent to 4/-9? <br> • -4/-9<br> • 9/4<br> • -9/4<br> • -4/9
ANTONII [103]

Answer:

The answer is option C

Step-by-step explanation:

I took the test

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3 years ago
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