3 years ago

Which function is shown in the graph below?

Mathematics

1 answer:

Georgia [21]3 years ago

4 0

Answer:

Step-by-step explanation:

As you can see, the range of the graph is all real numbers greater than -4. Therefore you can tell that -4 will have to be in the equation leaving only options B and D. When graphing B and D, D fits the image.

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The table below shows the cost of riding in a taxi cab. What is the rate of change?

hjlf

Choose any 2 points from the table:

<span>*10----------------------$25
*15----------------------$35
*20----------------------$45
*25----------------------$55

and find the slope of the line. Supposing we focus on

</span>*15----------------------$35
*20----------------------$45

then:
$45-$35 $10
slope = m = ------------- = ---------- = $2/mile
20-15 5

3 0

3 years ago

A city was founded at the beginning of 1990 with a population of 55,000, and since then, the growth in its population has been e

andrew-mc [135]

You can solve this analytically to get
.. 55000*(1 +x/100)^10 = 108193
.. (1 +x/100)^10 = 108193/55000
.. 1 +x/100 = (108193/55000)^(1/10)
.. x = 100*((108193/55000)^(1/10) -1) ≈ 7.00

but I find it just as fast to have a graphing calculator do it.

The city's population is increasing 7% per year.