If h(x) = 5 + x and k(x) =1/x, which expression is equivalent to (k•h)(x)?
o(5+ x)/1
o1/(5+x)
o5+ (1/x)
o5+(5+x)

256π units²   (answer b)

step-by-step explanation:

the formula for the surface area of a sphere of radius r

is             a = 4πr²

and so, if r = 8 units, then the surface area is:

a = 4π(8 units)² = 256π units²   (answer b)

never fear papaguy is here

answer

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