3 years ago

F(x)=2x +4^x, find f^-1(6)

Mathematics

1 answer:

lana [24]3 years ago

8 0

Answer:

Step-by-step explanation:

If you plug 1 into f(x) you get 6 so f^-1 is 1

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Ivenika [448]

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Step-by-step explanation:

If the area is 32 and the formula for area of a triangle is base * height / 2, and you have base = 8 and height = x and area = 32, this would be:

8 * x / 2 = 32

Now, solve:

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Which geographic feature was common to the development of civilizations in ancient Egypt, China, India, and Mesopotamia?

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Which of the following is not a perfect square? A. 50 B. 49 C. 121 D. 1

luda_lava [24]

50 is not a perfect square because it doesn’t have a square root.

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If PQR is a triangle,given that /PQ\=15m, /QR\=17m and /RP\=18m.Find the area of the triangle to the nearest whole number.

nydimaria [60]

Answer:

118.3 m²

Step-by-step explanation:

Step 1. Calculate the semiperimeter (s).

s = (p + q + r)/2

s = (17 + 18+ 15)/2

s = 50/2

s = 25 m

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Step 2. Calculate the area (A).

Use Heron’s formula:

$A = \sqrt{s(s-p)(s-q)(s-r)}$

$A = \sqrt{25(25-17)(25-18)(25-15)}$

$A = \sqrt{25\times8\times7\times10}$

$A = \sqrt{14 000}$

$A = 20\sqrt{35}$

A = 118.3 m²

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3 years ago

A circle had a circumference of 28.26 units what is the diameter of the circle

kolezko [41]

Answer:

Step-by-step explanation:

3.14 divided by 28.26 = 9

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