Find the minimum of f(x) = x − 3 x + 5 on the horizontal span of 0 to 5

Mathematics

1 answer:

krok68 [10]4 years ago

8 0

Answer:

But its not a Quadratic Function ???

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Do students that are "Greek" (those who belong to a sorority/fraternity) have a tendency to be more involved in student governme

defon

Answer:

Step-by-step explanation:

Greek students will represent p1 (proportion 1)

Non-Greek students will represent p2

If we were to conduct a hypothesis test for this data, we would use a test for the difference of 2 proportions. The hypothesis for this test would be as follows...

H0: p1 - p2 = 0

Ha: p1 - p2 > 0

The reason the alternate hypothesis is greater than 0 is because the question claims that the proportion of greek students (p1) is greater than the proportion of non-greek students (p2). So p2 is smaller than p1. We are subtracting a smaller number from a larger number. That will always result in a positive number.

7 0

3 years ago

4400 dollars is placed in an account with an annual interest rate of 7.5%. To the nearest tenth of a year, how long will it take

Katarina [22]

Answer:

Step-by-step explanation:

The equation for the amount of money in an account after a certain amount is deposited and compounded after t years once per year is

$A(t)=P(1+r)^t$

Our A(t) = 33800, P = 4400, r = .075 and we are looking for t. Filling in:

$33800=4400(1+.075)^t$ and

$33800=4400(1.075)^t$

Begin by dividing both sides by 4400 to get

$7.681818182=1.075^t$

The only way to move that t our from its current position as an exponent is to take the natural log of both sides and follow the rules for natural logs:

$ln(7.6181818182=ln(1.075)^t$