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LenaWriter [7]
3 years ago
10

For which of the following increasing functions f does (f-1)'(20) = 1/5

Mathematics
1 answer:
aalyn [17]3 years ago
5 0

Answer:

D f(x)= e^x+ 5x + 19

Step-by-step explanation:

D f(x)= e^x+ 5x + 19

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Which equation represents a line that passes through (5,4) with a slope of 2∕5?
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3 years ago
A recursive rule for a geometric sequence is a1=2; an= 4/9 an-1
Oxana [17]

A recursive rule for a geometric sequence:

a_1\\\\a_n=r\cdot a_{n-1}

---------------------------------------------------

a_1=2;\ a_n=\dfrac{4}{9}a_{n-1}\to r=\dfrac{4}{9}

---------------------------------------------------

The exciplit rule:

a_n=a_1r^{n-1}

Substitute:

a_n=2\left(\dfrac{4}{9}\right)^{n-1}=2\cdot\left(\dfrac{4}{9}\right)^n\cdot\left(\dfrac{4}{9}\right)^{-1}=2\cdot\left(\dfrac{4}{9}\right)^n\cdot\dfrac{9}{4}\\\\\boxed{a_n=\dfrac{9}{2}\cdot\left(\dfrac{4}{9}\right)^n}

3 0
3 years ago
Jessica is walking home from a friend's house after 2 minutes she is 1.6 miles from home 8 minutes after leaving she is 1.1 mile
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1.6 miles - 1.1 miles = 0.5 miles

8 minutes - 2 minutes = 6 minutes

She traveled 0.5 miles in 6 minutes.

1 hour = 60 minutes.

60 minutes / 6 minutes = 10

0.5 x 10 = 5

She is walking 5 miles per hour.

5 0
2 years ago
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