Find the surface area of this figure

It's a rectangular parallelepiped, also known as a box.  It has three pairs of congrurent rectangular faces, so adding them all up,

Area = 2 × (8×6 + 5×6 + 8×5) = 236 sq ft

236 sq ft

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

answer for #1 is c

answer for #2 is d

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