Write a formula for the function and use the formula to find the indicated value of the function. A) The surface S of a cube as a function of the length of the cube's edge e; the surface area of edge length 5ft. B) the volume V of a sphere as a function of the sphere's radius r; the volume of the sphere of radius 3cm.

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18 July, 17:14

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Simone Bean · Answer 1

A) S = 6 e²

e = 5 ft

S = 6 · 5² = 6 · 25 = 150 ft²

B) V = 4 r² π

r = 3 cm

V = 4 · 3² π = 4 · 9 π = 36 π cm³