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maria [59]
3 years ago
12

A rectangular picture measuring 4 in. by 8 in. is surrounded by a frame with uniform width x. Write a quadratic function in stan

dard form to show the combined area of the picture and frame.
Mathematics
1 answer:
cluponka [151]3 years ago
8 0
Standard form is f(x)=ax²+bx+c

A=(x+4)*(x+8)
=x²+4x+8x+32
=x²+12x+32=f(x)
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