3 years ago

What is the inverse of the function f(x) = 2x– 12?

Mathematics

1 answer:

AleksandrR [38]3 years ago

6 0

Answer:

Step-by-step explanation

For the time, call f(x) = y

Interchange x and y

y = 2x - 12

x = 2y - 12

Add 12 to both sides

x + 12 = 2y

Divide both sides by 2

x/2 + 12/2 = y

x/2 + 6 = y

x/2 + 6 = h(x)

Nothing I'm getting looks like what you've given us. Perhaps this is a different question?

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Jolene is making a line graph showing that the cost of grain is proportional to the number of pounds purchased. Jolene will plot

Gelneren [198K]

Answer:

a. $(1,0.25)$

b. $y = 0.25x$

Step-by-step explanation:

Given

The data in the table

Solving (a): The coordinate that represents the unit rate

The unit rate is when its 1 pound

This is so because the unit rate is dollars per pounds.

Hence, the coordinate is $(1,0.25)$

Solving (b): Equation of the graph

First, we calculate the slope (m)

$m = \frac{y_2 - y_1}{x_2 - x_1}$

Where:

$(x_1,y_1) = (1,0.25)$

$(x_2,y_2) = (4,1.00)$

$m = \frac{y_2 - y_1}{x_2 - x_1}$

$m = \frac{1.00 - 0.25}{4 - 1}$

$m = \frac{0.75}{3}$

$m = 0.25$

The equation is then calculated as thus:

$y - y_1 = m(x - x_1)$

This gives:

$y - 0.25 = 0.25(x - 1)$

$y - 0.25 = 0.25x - 0.25$

Make y the subject

$y = 0.25x$

Hence, the equation of the graph is: $y = 0.25x$

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2 years ago

I'm having trouble figuring out how to find the right symbol for this problem √9=6 ? 3

bearhunter [10]

Answer:

It's a - (minus) sign.

Step-by-step explanation:

This is because √9 is 3, and therefore 6-3=3.

Hope I helped :)

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3 years ago

Each rhino costs 1,000 dollars how much will the farmer loose if all 350 rhinos are stolen

REY [17]

He would lose 350,000 dollars or -350,000.

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Read 2 more answers

I need help cause uh i’m dumb

ozzi

Answer:

$650

Step-by-step explanation:

9100-4500 = 4550

14-7 7

= 650

=$650

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3 years ago

Pat deposits $6,000 into an account earning 4% compounded monthly. How long will it take the account to grow to $10,000? 13 year

Leni [432]

1.) about 154 months
2.) about 30 months
3.) about 75 months
4.) about 100 months

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