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2 years ago

MARKING BRAINLEIST IF CORRECT

Mathematics

2 answers:

Anni [7]2 years ago

8 0

Answer:

A) (-5,0) and (-4,0)...

erma4kov [3.2K]2 years ago

6 0

$\qquad\qquad\huge\underline{{\sf Answer}}♪$

X - intercepts are the points where the curve cuts x - axis ~

for the given curve (parabola), the intercepts are :

$\qquad \sf \dashrightarrow \:(-5,0) \: \: and \: \: (-4, 0)$

The Correct choice is A

$➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖$

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Read 2 more answers

Apopulation grows from its initial levelof 22,000 at a continuous growth rcte of 7.1% per year.a) Write a function to model the

solong [7]

Answer:

a) $P(t) = 22000(1.071)^{t}$

b) The population increases 7.1% each year.

Step-by-step explanation:

The continuous population growth model is given by:

$P(t) = P_{0}(1+r)^{t}$

In which $P(t)$ is the population after t years, $P_{0}$ is the initial population and r is the growth rate.

In this problem, we have that:

A population grows from its initial levelof 22,000 at a continuous growth rcte of 7.1% per year.

This means that $P_{0} = 22000, r = 0.071$

a) Write a function to model the population increase.

$P(t) = 22000(1 + 0.071)~{t}$

$P(t) = 22000(1.071)^{t}$

b) By what percent does the populaiion increase each year?

$r = 0.071$

So the population increases 7.1% each year.

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3 years ago