Question 10 of 10 The function F(x) = log5 x is decreasing. A. True B. False SUBMIT

Mathematics

1 answer:

MArishka [77]1 year ago

4 0

Answer: False

Step-by-step explanation:

The base is more than 1, so the function is increasing.

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On top of a hill, a rocket is launched from a distance 80 feet above a lake. The rocket will fall into the lake after its engine

lisov135 [29]

For this case we have the following equation:
h = -16t2 + 64t + 80
To find the maximum height, we derive the equation:
h = -32t + 64
We match zero:
-32t + 64 = 0
We clear t:
t = 64/32
t = 2
We substitute the value of t in the given equation:
h (2) = -16 * (2) ^ 2 + 64 * (2) + 80
h (2) = 144
Answer:
The maximum height is 144 feet and the time to reach this height is 2 seconds.

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3 years ago

Which are the solutions to the quadratic equation x^2=9x+6

AlekseyPX

I will use a quadratic formula:

$x^2=9x+6\ \ \ \ |-9x-6\\\\x^2-9x-6=0\\\\a=1;\ b=-9;\ c=-6\\\\b^2-4ac=(-9)^2-4\cdot1\cdot(-6)=81+24=105\\\\\sqrt{b^2-4ac}=\sqrt{105}\\\\x_1=\dfrac{-b-\sqrt{b^2-4ac}}{2a};\ x_2=\dfrac{-b+\sqrt{b^2-4ac}}{2a}\\\\x_1=\dfrac{-(-9)-\sqrt{105}}{2\cdot1}=\dfrac{9-\sqrt{105}}{2}\\\\x_2=\dfrac{-(-9)+\sqrt{105}}{2\cdot1}=\dfrac{9+\sqrt{105}}{2}$

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3 years ago

What is the range of the function f(x) = -2(6^x) +3? Answer is B

Oksana_A [137]

Answer:

You are right

Step-by-step explanation:

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3 years ago

How to solve 4n-40=7(-2n+2)

Damm [24]

4n-40=7(-2n+2)

4n-40=-14n+14

subtract -4n from both sides

-40 = -18n +14

subtract -14 from both sides

-54=-18n

divide both sides by -18

3 = n

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3 years ago

Read 2 more answers

Write in standard form (2×10³)+(4×10²)+(4×10¹)+(4×1) can somebody answer this please. c:

Romashka-Z-Leto [24]

Answer: 2,444

Step-by-step explanation: We can find the answer to this problem by simplifying the scientific notation, and then adding. You would end up with 2,000 + 400 + 40 + 4 if done correctly. Hope this helps!

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2 years ago