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jekas [21]
3 years ago
5

Find the inverse of the function f(x) =x^2-5. Is the inverse a function?

Mathematics
1 answer:
Mariana [72]3 years ago
8 0
Y=x^2-5, solve for x

y+5=x^2

x=√(y+5) so 

f^-1(x)=√(y+5)
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The dual bar chart shows the hair colour of boys and girls in a year group. What fraction of the students are girls? Give your a
Tems11 [23]

Answer:

5/11

Step-by-step explanation:

Black= 22 b+17 g

Brown= 4 b +18 g

Blonde= 25 b+ 10 g

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Total number= 22+17+4+18+25+10+21+15= 132

Number of girls= 17+18+10+15= 60

Girls are 60/132= 2 × 2 × 3 × 5/ 2 × 2 × 3 × 11= 5/11 of all students

7 0
3 years ago
What is 246 gallons/minute converted to liters/second<br> show work pleaseee
marissa [1.9K]

Answer: The answer to this question is 15.53lt/sec.

Step-by-step explanation: 1 liter is equal to 0.264gallons

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6 0
3 years ago
Can you help with number 4,5,6,8
aliya0001 [1]
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6 0
3 years ago
Factor the expression. x^2 – x – 42
IgorC [24]
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The correct answer is a.
5 0
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I still nee help with this q9
katen-ka-za [31]

Answer:

it is A

D"" (7,2)

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