I need help with these.

Mathematics

1 answer:

diamong [38]3 years ago

6 0

3848 383848 999393 2938

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What is the inverse of f(x)=x^4+7 for x>0 where function g is the inverse of function f?<br> -

Ann [662]

Answer:

$g(x) = \sqrt[4]{x-7},~ x\geq 7$

Step by step explanation:

$y= f(x) = x^4+7\\\\\text{Replace x with y and solve for y:}\\\\~~~~~~~x = y^4 +7\\\\\implies y^4 = x-7\\\\\implies y = \pm\sqrt[4]{x-7}\\\\ \implies f^{-1}(x) = \pm\sqrt[4]{x-7}$

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2 years ago

56% of what number is 84

damaskus [11]

We set up a proportion: 84/?= 56/100

Cross multiply: 56*?= 84*100
⇒ ?= 84*100/56= 150

56% of 150 is 84.

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3 years ago

A soup can has a diameter of 8 cm and a height of 12 cm. What is the volume of the soup can? Use 3.14 for Pi. A cylinder has a h

Alik [6]

Answer:

602.88

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Please please help ASAP, question is order from largest at the top and smallest at the bottom:

In-s [12.5K]

Answer:

2. 1. 3. 4.

Step-by-step explanation:

hope this help >.<

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3 years ago

Find the circumference and the area of a circle with radius 5mm.

Archy [21]

Answer: 31.4 mm

Step-by-step explanation:

C=2πr

2(3.14)(5)

2(15.7)

31.4

8 0

3 years ago