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Alenkasestr [34]
2 years ago
13

Which equation is the inverse of y = 2x2 – 8?

Mathematics
2 answers:
Vanyuwa [196]2 years ago
7 0
The first one is the inverse of x.
denis23 [38]2 years ago
4 0
A. is the correct answer y= +or- sqrt x+8/2
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HELP!!! A plumber charges a fee of $25 plus $30 per hour on the job. Make a table of values for the total charge depending on th
Effectus [21]

Answer:

Yes, this function can be defined by linear model.

Step-by-step explanation:

\mathrm{Total\:=\:Fixed\:Fee\:+\:Hourly\:Rate\:\times Number\:of\:hours}

\mathrm{Linear:}\:\:T=\:$25+30h

Best Regards!

3 0
3 years ago
A student bought tickets online the total cost c in dollar of t, tickets can be found using the fuction below c=24.50t+9.50
dalvyx [7]
What is the total cost or it is unsolvable?
8 0
3 years ago
Explain: What is the solution to this system of equations? <br><br> 2x+y=20 <br> 6x-5y=12
bazaltina [42]

Answer:

solution set is (x,y) = (7,6)

Step-by-step explanation:

solving by substitution method

2x +y=20--------------1

6x-5y=12---------------2

from equation 1, solve for y

2x+y=20

y= 20-2x------equation 3

adding value of y in equation 2

6x-5y=12

6x-5(20-2x)=12

6x-100+10x=12

16x= 12+100

16x= 112

x= 112/16

x=7

adding value of x in equation 3

y= 20-2x

y= 20- 2(7)

y=20-14

y=6

so solution set (x,y) = (7,6)

3 0
3 years ago
2y-18x=-26 solve for y
Alekssandra [29.7K]
2y - 18x = -26

Add 18x to both sides.

2y = -26 + 18x

Divide by 2 on both sides.

y = -13 + 9x

y = 9x - 13
8 0
2 years ago
And also this question as well
gtnhenbr [62]

Answer:

It's the second one I believe, because it's not a straight line, and nearly all functions have curved lines

Step-by-step explanation:

4 0
3 years ago
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