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nydimaria [60]
3 years ago
14

Plz help quickly plzzzz​

Mathematics
1 answer:
Dovator [93]3 years ago
7 0

Answer:

D.)1.7

Step-by-step explanation:

it's positive and above the 1 point

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If the interval (a, oo) describes all values of x for which the graph of f(x) =
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Answer:

Answer:

a = - 1.1

Step-by-step explanation:

Condition for a single variable function f(x) to be decreasing is f'(x) < 0.

So, in our case, .

Then, differentiating with respect to x on both sides we get,

⇒

⇒

{Dividing both sides with - 1 and hence the inequality sign changes}

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Step-by-step explanation:

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Kevin and Randy Muise have a jar containing 80 ​coins, all of which are either quarters or nickels. The total value of the coins
SCORPION-xisa [38]

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Step-by-step explanation:

Let the number of quarters be x and nickels be y.

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<u>We have equations:</u>

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<u>Solve the system by elimination, subtract 5 times the first equation from the second one:</u>

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