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uranmaximum [27]
3 years ago
11

Please help me solve this question. Will make you the

Mathematics
1 answer:
lawyer [7]3 years ago
4 0

Yes because if you graph it, it will pass the vertical line test

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Solve 9^x + 4 = 11 for x using the change of base formula log base b of y equals log y over log b.
Sauron [17]

Answer:

If you meant 9^x+4=11, then the answer is approximately 0.866.

If you meant 9^{x+4}=11, then the answer is approximately -2.909 which looks like what you meant based on the choices.

Step-by-step explanation:

9^x+4=11

First step is to get the exponential part by itself. The part that has the variable exponent which is the 9^x term.

To do this we need to subtract 4 on both sides:

9^x=11-4

Simplify:

9^x=7

The equivalent logarithmic form is:

\log_9(7)=x

I always say to myself the logarithm is the exponent that is how I know what to put opposite the side containing the log.

Anyways if you don't have options for computing \log_b(a) in your calculator you need to use the change of base formula.

\frac{\log(7)}{\log(9)}=x

So x \approx 0.8856

I don't see this as a choice so maybe you actually meant the following equation:

9^{x+4}=11

Let's see if this is the correct interpretation.

So the exponential part is already isolated.

So we just need to put in the equivalent logarithmic form:

\log_9(11)=x+4

Now we subtract 4 on both sides:

\log_9(11)-4=x

Again if you don't have the option for computing \log_b(a) in your calculator, you will have to use the change of base formula:

\frac{\log(11)}{\log(9)}-4=x

x \approx -2.909

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3 years ago
A restaurant offers a dinner special in which diners can choose any one of 3 appetizers, any one of 4 entrées, any two different
Kitty [74]
360 different choices
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2 years ago
Select all the expressions that are equivalent to 16x+36
kakasveta [241]
I believe it’s c and d
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Help me plz I’ll give brainliest
gladu [14]

Answer:

It is the top left one

Step-by-step explanation:

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2 years ago
A factory makes cars at a constant rate. The table shows the number of car’s made for different length’s of time. A manager draw
blagie [28]

Answer:

im not sure if this is right or not but i did the math and got 26

Step-by-step explanation:

8 0
2 years ago
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