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NikAS [45]
3 years ago
10

Identify the domain of the exponential function shown in the following graph:

Mathematics
2 answers:
Ivahew [28]3 years ago
5 0

Answer:

<h2>All real numbers.</h2>

Step-by-step explanation:

First of all, an exponential function can be identified by its graph due to its behaviour: a slow growth after the y-interception, and a faster growth after y-intercept point.

Also, exponential functions have the independent variable (x) as exponent, that's why they are called exponential.

Now, if you think this through, notice that powers cannot be equal to zero or negative, the least power is equal to 1, which is the case of having a null exponent.

x^{0}=1

This behaviour indicates a restriction for the image of the exponential function, but not to its domain. That's why its domains is defined as all real numbers.

Using the graph, you can observe that the restriction is towards the range, which is y-variable.

Therefore, the right answer is all real numbers.

Advocard [28]3 years ago
4 0
All real numbers is the correct answer.
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Jennifer invested $400 at 6% interest compounded continuously. Write a model m(t) that represents the money in Jennifer's accoun
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Answer:

11.5 years

Step-by-step explanation:

Given data

Principal= $400

Rate= 6%

For the compound interest at time t, the expression is given as

A= P(1+r)^t

Substitute

A= 400(1+0.06)^t

A=400(1.06)^t

B. How much money is in Jennifer's account after 5 years

put t= 5

A=400(1.06)^5

A=400*1.338

A=$535.2

C. Approximately when will Jennifer have $800 in her account

A=$800

P=$400

r=6%

t= ln(A/P)/r

t= ln(800/400)/0.06

t= ln(2)/0.06

t= 0.6931/0.06

t=11.551

Hence the time is about 11.5 years

7 0
2 years ago
An item is priced at $14.29. If the sales tax is 8%, what does the item cost including sales tax?
asambeis [7]

Answer:

15.43

Step-by-step explanation:

5 0
3 years ago
The local elections are being held in Xavier’s town next Tuesday. Xavier is unsure whether or not he will vote. He does not want
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D. Local lawmakers can affect many aspects of Xavier's life, from the taxes he pays on his house to where he can park his car.
 
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3 years ago
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The formula I = PRT where I = Interest, P = principal, R = rate, and T = time is used to calculate the amount of simple interest
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Answer:

T= I divided by the quantity P times R

6 0
3 years ago
PLEASE HELP ME ASAP!! I had trouble with this and it is now over due
erica [24]

Answer:

Shira: x = 8

Samuel: m = 0

Step-by-step explanation:

Shira's mistake was that she subtracted 2 from both sides instead of adding to on both sides.

Correct Solving:

2x - 2 = 14

Add 2 to both sides;

2x = 16

Divide both sides by 2;

x = 8

Samuel's mistake was that when he distributed -2 to 8m and 8 he put the wrong sign for -2 * 8.

Correct Solving:

-2(8m + 8) = -16

Distribute;

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Add 16 to both sides;

-16m = 0

Divide both sides by -16;

m = 0

3 0
3 years ago
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