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Finger [1]
3 years ago
11

Questions 8-12 are 2 points each.)

Mathematics
1 answer:
Makovka662 [10]3 years ago
5 0
Idk I’m so srry I dumb
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Find an equation for the inverse for each of the following.
IgorLugansk [536]

Answer:

  • <em>To solve these first swap x and y, solve for y and name it inverse function</em>

3. <u>y = -8x + 2</u>

  • x = -8y + 2
  • 8y = -x + 2
  • y = -x/8 + 2/8
  • y = -(18)x + 1/4

f⁻¹(x) = -(18)x + 1/4

-----------------------------------------

4.<u> y = (2/3)x - 5</u>

  • x = (2/3)y - 5
  • (2/3)y = x + 5
  • y = (3/2)x + (3/2)5
  • y = 1.5x + 7.5

f⁻¹(x) = 1.5x + 7.5

-----------------------------------------

5. <u>f(x) = 2x² - 6</u>

  • x = 2y² - 6
  • 2y² = x + 6
  • y² = 1/2x + 3
  • y = \sqrt{1/2x + 3}

f⁻¹(x) = \sqrt{1/2x + 3}

-----------------------------------------

6. <u>y = (x - 3)²</u>

  • x = (y - 3)²
  • \sqrt{x} = y - 3
  • y = 3 + \sqrt{x}

f⁻¹(x) = 3 +  \sqrt{x}

4 0
2 years ago
I need to know the steps to simplify 15.7 + (-3.45)
faust18 [17]
U call it keep change change. keep 15.7. change it to subtract and change -3.45 to just 3.45 (positive not negative)
5 0
2 years ago
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Ajay is 5 cm taller than Aiden. If h represents Ajay's height, then Aiden's height is
ohaa [14]
H - 5cm = Aiden’s height?
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Pls help this homework is due tomorrow and I’m so confused thank you for taking your Time x
olchik [2.2K]

Answer:

a)  x= 75

b) 105 is the same angle as angle B, I subtracted 180 by 105

180-105= 75

4 0
3 years ago
Please help me asap, pleaseee :/<br><br><br> ty ty :D
weeeeeb [17]

7x+8y=32

Just do pemdas

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2 years ago
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