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Ket [755]
2 years ago
5

The function of f is defined by f(x)=x²-2x-24, find the range of f​

Mathematics
1 answer:
mars1129 [50]2 years ago
4 0

Answer:

[-25, ∞) , {y|y ≥ -25}

Step-by-step explanation:

^^^

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Gambler is deciding whether or not to take a bet. she must pay $40 to take the bet, but if she wins, she willprofit$225.theproba
Vesnalui [34]
Expected value of the bet is
the sum of the products of value of outcome and its probability,
less the amount paid to place the bet.

Outcomes value probability
win            225    1/4
lose               0    3/4
cost of bet = 40

So expected value of bet
E[X]=225*(1/4)+0*(3/4)-40
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This means that in the long run, gambler will win, since the expected value is positive.  (does NOT mean she will win in the next bet!)
3 0
3 years ago
Solve the following equation algebraically: x^2=20
Zielflug [23.3K]

Answer:

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Step-by-step explanation:

Given

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6 0
3 years ago
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What is the slope of the line that goes through (0,0) (5,1)
GalinKa [24]
Hey there!

In order to solve this problem, we can use the slope given two points formula:

y2-y1/x2-x1

Now, we can plug in our points to get:

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8 0
3 years ago
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A rectangular parking lot is being constructed. The cement paving company needs to know the area of the
Marrrta [24]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
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torisob [31]

Answer:

False

Step-by-step explanation:

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