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3 years ago

What is the value of f(1)? ОООО

Mathematics

2 answers:

mamaluj [8]3 years ago

5 0

Answer:

f (-1) = 0

Step-by-step explanation:

For this case the first thing that we must observe is the value of f (x) of the function in the table, when the value of x is x = -1

We then have that for x = -1, the value of the function is equal to 0.

nordsb [41]3 years ago

3 0

Answer:

Step-by-step explanation: Any variable that is by itself always =1

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Answer:

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Step-by-step explanation:

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2/3 = 5/8 -----> is not true

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3 years ago

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loris [4]

Answer:

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Step-by-step explanation:

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3 years ago

Rachel mows 5 lawns in 8 hours. At this rate, how many lawns can she mow in 40 hours?

expeople1 [14]

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3 years ago

the half-life of strontium-90 is approximately 29 years. how much of a 500 g sample of strontium-90 will remain after 58 years

Yuliya22 [10]

Answer: 125 g

Step-by-step explanation:

$A = P_o\cdot e^{kt}\\\\\text{First, use the given information to find k:}\\\\\bullet A=\dfrac{1}{2}P_o\\\\\bullet k = unknown\\\\\bullet t=29\text{ years}\\\\\dfrac{1}{2}P_o=P_o\cdot e^{k(29)}\\\\\\\dfrac{1}{2}=e^{k(29)}\qquad divided\ both\ sides\ by\ P_o\\\\\\ln\bigg(\dfrac{1}{2}\bigg)=ln\bigg(e^{k(29)}\bigg)\qquad applied\ ln\ to\ both\ sides\\\\\\ln\bigg(\dfrac{1}{2}\bigg)=29k\qquad simplified-ln\ and\ e\ cancel\ out\\\\\\\dfrac{ln\bigg(\dfrac{1}{2}\bigg)}{29}=k\qquad divided\ 29\ from\ both\ sides\\\\\\-0.0239=k$

$\text{Now, use the following in the equation to solve for A:}\\\\\bullet A=unknown\\\bullet P_o=500\\\bullet k=-0.0239\\\bullet t=58\text{ years}\\\\A=500\cdot e^{(-0.0239)(58)}\\\\.\quad=500\cdot e^{-1.386}\\\\.\quad=125$

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3 years ago