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2 years ago

I am needing help with this question can anyone help me!!

Mathematics

1 answer:

MatroZZZ [7]2 years ago

3 0

Answer:

It's y=4x+3

Step-by-step explanation:

if you find the slope m=(y2-y1)/(x2-x1). Then you know the y-intercept is 3 because it gives you the point (0,3).

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Inverse of y equals 12 to the x

e-lub [12.9K]

Answer:

$f^{-1}(x) = log_{12}(y)$

Step-by-step explanation:

We have the following function

y = 12^x, and we need to find the inverse function.

To find the inverse function we should solve the equation for "x". To do so, first, we need to:

1. Take the logarithm in both sides of the equation:

lg_12 (y) = log _12 (12^x)

(Please read lg_12 as: "Logarithm with base 12")

From property of logarithm, we know that lg (a^b) = b*log(a)

Then:

lg_12 (y) = x*log _12 (12)

We also know that log _12 (12) = 1

Then:

x = log_12(y).

Then, the inverse of: y= 12^x is:

$f^{-1}(x) = log_{12}(y)$

5 0

3 years ago

1. Which other expression has the same value as (-14) - 8?

ludmilkaskok [199]

Answer: −22

Step-by-step explanation:

=−14−8

=−14+−8

=−22

6 0

2 years ago

The markup over the dealer's cost on a new refrigerator ranges from 15% to 20%. If the dealer's cost is $1750, over what rage wi

jok3333 [9.3K]

The markup will range from $2012.50 to $2100.

6 0

3 years ago

Your neighbor had to drop the selling price of her home from $180,000 to $165,000. What percent did the price get lowered? Round

Vikki [24]

You could do 165,000 divided by 180,000. This is 165000/180000, and that will give you the percentage that 165000 is of 180000 in decimal form, which is 0.9167.
Then we round to the nearest tenth, which is 0.92
0.92 as a percentage is 92%.
100% - 92% = 8%
The price of the home dropped by 8%.

8 0

3 years ago

Which of the following shows the least expensive unit price? *

Ilia_Sergeevich [38]

B/ 4 oranges for $1.52 I think.

8 0

2 years ago

Read 2 more answers