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egoroff_w [7]
3 years ago
15

Find the domain and Range f(x)= 2/7x-2

Mathematics
1 answer:
wolverine [178]3 years ago
5 0

Answer:

Domain: {x|x∈R}

Range: ,{y|y∈R}

Step-by-step explanation:

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5.Divide: 15u20-------3u5 not a minus by the way​
GREYUIT [131]

Answer:

Step-by-step explanation:

\frac{15u^{20}}{3u^5}=5u^{20-5}=5u^{15}\\

5 0
3 years ago
The graph shows a function f(x). Determine the following values.
wel

Answer:

f^-1(4) = 2

f^-1(-5) = -4

f^-1(0) = 0

Step-by-step explanation:

To find the inverse of the function, we simply switch the places of x and y

You simply find the value given on the y-axis and trace to the x-axis

Thus, we have the following ;

f^-1(4) = 2

f^-1(-5) = -4

f^-1(0) = 0

7 0
3 years ago
24 ounces of instant tea at 30 milligrams of caffeine per 8 ounces and 12 ounces of green tea at 15 milligrams of caffeine per 8
OleMash [197]

Answer:

3.125 mg/ oz

Step-by-step explanation:

Amount of instant tea = 24 ounces

Amount of green tea = 12 ounces

Caffeine in instant tea = 24/8*30= 90 mg/oz

Also, caffeine in green tea = 12/8*15 =22.5 mg/oz.

Total amount of mixture= 24+12= 36 ounce

Total amount of caffeine in the mixture = 90+22.5 = 112.5 mg/oz

Caffeine per ounce in the final mixture = 112.5 / 36 = 3.125 mg/ oz

8 0
3 years ago
Read 2 more answers
A store bought a tent for $230 and
charle [14.2K]

Answer: $397.9

Step-by-step explanation:

First you need to find 65% and 8% of 230

<em>(230 x 65) / 100 = 149.5</em>

<em>65% of 230 is 149.5</em>

<em />

<em>(230 x 8) / 100 = 18.4</em>

<em>8% of 230 is 18.4</em>

Add 230 to the 65% and 8% markups to get the total retail cost

<em>230 + 149.5 + 18.4 = 397.9</em>

The total retail cost of the tent it $397.9

6 0
4 years ago
Please answer fast this is due soon
ladessa [460]

Step-by-step explanation:

multiply the first equation by 1, the second by -1 and add.

x + 2y = -16

-x - 6y = 28

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

0 - 4y = 12

-4y = 12

y = -3

x + 2×-3 = -16

x - 6 = -16

x = -10

6 0
2 years ago
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