use the given information to find the unknown value a) y varies directly as the square of x. when x=4, then y=32 find y when x=8 y= b) y varies directly as the cube root of x. when x=8, then y=6 find y when x=1,000 y=

use the given information to find the unknown value a) y varies directly as the square of x. when x=4, then y=32 find y when x=8 y= b) y varies directly as the cube root of x. when x=8, then y=6 find y when x=1,000 y=

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter5: Similar Triangles

Section5.4: The Pythagorean Theorem

Problem 36E

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Question

use the given information to find the unknown value

a) y varies directly as the square of x. when x=4, then y=32

find y when x=8

b) y varies directly as the cube root of x. when x=8, then y=6

find y when x=1,000

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