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g100num [7]
2 years ago
6

the population of center city is modeled by exponential function f, where x is the number of years after the year of 2015. the g

raph of f is shown on the grid. which inequality best represents the range of f in this situation?

Mathematics
1 answer:
lora16 [44]2 years ago
5 0

Answer:

the Answer is B) y >= to 250,000

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Why do you need to change the signs in -x^2+6x+m=0 ?
Goshia [24]

Answer:

It isn't necessary but having a positive coefficient for x^2 makes things like completing the square and factoring easier.

3 0
3 years ago
Calculate X3 dx .<br><br>A.×2 + c<br>B. 3X2 + c<br>c . x4 + c<br>D . x4/4+c
olga nikolaevna [1]
\LARGE \int x^3 dx = \frac{x^4}{4}+C

So the answer is choice D. You can check this by differentiating the right hand side and you'll get x^3 back again. 

This answer can be found by using the power rule for integrals. That rule is

\LARGE \int x^n dx = \frac{x^{n+1}}{n+1} + C
4 0
3 years ago
The average number of customers per day at a home improvement store is given in the following table. Let x represent the day whe
nika2105 [10]

Answer:

A. 33.690\sin (0.887x + 1.337) + 81.684.

Step-by-step explanation:

We are given that,

x = Number of days where 1 = Sun of 1st week and 7 = Sat of first week.

The corresponding table for the data is given by,

Days        Day Number               Number of Customers

Sun                    1                                     115

Mon                   2                                     77

Tue                    3                                     60

Wed                   4                                     51

Thur                   5                                     68

Fri                      6                                      86

Sat                     7                                      120

The general form of the regression model is a\sin (bx+c)+d.

Using the sinusoidal regression calculator, we get that,

a = 33.690

b = 0.887

c = 1.337

d = 81.684

That is, the sine regression model is 33.690\sin (0.887x + 1.337) + 81.684.

Thus, option A is the sine regression model for the given data.

6 0
3 years ago
Read 2 more answers
Plz help, asap, do not paste link for other website.
riadik2000 [5.3K]

Answer:

D is the answer not a or b or c

Step-by-step explanation:

none

3 0
3 years ago
Read 2 more answers
What is 49/16 simplified
telo118 [61]
3  1/16=49/16. I hope this helped. :) Brainlest answer ? :)
3 0
3 years ago
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