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Ghella [55]
2 years ago
9

What is the inverse of f(x)=x^2+5

Mathematics
1 answer:
Law Incorporation [45]2 years ago
3 0

Answer:

\sqrt{X-5}, -\sqrt{X-5}

Step-by-step explanation:

Replace X with Y

solve for Y; X = Y^2 + 5

subtract 5 from both sides

X - 5 = Y^2

take the square root

Y = plus or minus sqrt(X-5)

sqrt(X-5); -sqrt(X-5)

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Katie bought a bike for $150.00. she had a coupon for 15% off and the sales tax rate is 9%. What is the total cost after the tax
REY [17]

Answer:

135 dollars That all she hade to pay

8 0
3 years ago
WILL MARK BRAINLIEST!!!
patriot [66]

Answer:

option D.

Step-by-step explanation:

average rate of change in steel production over the eight days=-0.15 tons per day

Step-by-step explanation:

The production rate of a steel factory is declining due to old machinery. Over the last eight days production has dropped by 1.2 tons.

Production is dropped by 1.2 tons, so its negative

Average rate of change = Change in production / number of days

Average rate of change = -1.2/ 8= -0.15

so sorry -0.15

6 0
3 years ago
Find the angle measure.<br><br> The measure of angle XYZ is
shutvik [7]

Answer:

<h3>∠XYZ = 102</h3><h3></h3>

Step-by-step explanation:

<u>1st step is to solve x from ΔWXY</u>

∠W + ∠X + ∠Y = 180

where ∠W = 5x + 2

           ∠X = 7x + 4

           ∠Y = 180 - (15x - 18)

                 = 198 - 15x

now plugin values into the equation:

5x + 2   +   7x + 4  +  198 - 15x  = 180

combine similar terms:

5x + 7x - 15x = 180 - 2 - 4 - 198

simplify:

-3x = -24

x = -24 / -3

x = 8

<u>2nd step is to substitute x = 8 into ∠XYZ</u>

∠XYZ = 15x - 18

∠XYZ = 15(8)  - 18

∠XYZ = 102

6 0
2 years ago
Which of the following is an equation of the line through (3, -1) and (−2, 14)?
enot [183]
D.
Slope is rise over run and in this case it is -15/ 5 so when it is reduced you get -3 as your slope
5 0
3 years ago
Read 2 more answers
Help!!!
Serhud [2]

Answer:

your answer would be 2 and 1/5 :) hope this helps

Step-by-step explanation:

-Rayne

8 0
2 years ago
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