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Vlad1618 [11]
3 years ago
10

Please help and show work!!

Mathematics
1 answer:
serious [3.7K]3 years ago
5 0

17.

x = -2 is not a solution of -1 < x < 5 because -2 < -1 (-1 < -2 < 5 FALSE).

18.

m = 5 is a solution of 5 ≤ m because 5 ≤ 5 ( 5 ≤ m → m ≥ 5 greater than 5 or equal 5, 5 is equal 5)

19.

k = 10 is not solution of 2k - 3 < 1 because:

put the value of k to the inequality:

2(10) - 3 < 1

20 - 3 < 1

17 < 1 FALSE

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F(x)=9x+5, find f^-1(x).
lidiya [134]

Answer:

interchange the role of x and y

x=9y+5

x-5=9y

<u>x-5</u><u> </u>=y

9

so,f^-1(x)= <u>x-5</u>

<u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>9

hope it helps.

<h3>stay safe healthy and happy.</h3>
4 0
3 years ago
Find the value of x if the arithmetic mean of 3 and 3x+5 is 8?
mina [271]

Answer:

1

Step-by-step explanation:

3x+5=8

Group like terms

3x=8-5

3x=3

Divide both side by the co-efficient of x which is 3

3x/3=3/3

x=1

8 0
3 years ago
G(x)=15x-10 inverse function with steps please​
Alexus [3.1K]

Answer:

The inverse function is g(x) = 

\frac{x + 10}{15}

Step-by-step explanation:

You can find the inverse of any function by switching the g(x) value (or whatever the function value is labelled) and the x value. Then solve for the new g(x) value. The result will be your inverse function.

g(x) = 15x - 10 ---> Switch the g(x) and x

x = 15g(x) - 10 ---> Add 10 to both sides

x + 10 = 15g(x) ----> Divide both sides by 15.

\frac{x + 10}{15} = g(x) ----> Switch the order

= g(x) ----> Switch the order

g(x) =

\frac{x + 10}{15}

And that would be your inverse function.

4 0
4 years ago
QUESTION 3
miv72 [106K]

Answer:

.

Step-by-step explanation:

7 0
3 years ago
How can I solve?<br><br> Solve for x (hint - use the quadratic formula)
ladessa [460]

Answer:

X1= -7     X2=5

Step-by-step explanation:

It would be greatly appreciated if you gave me brainlest

6 0
3 years ago
Read 2 more answers
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