A manufacturer produces cell phone she estimates that by selling them for x dollars she will be able to sell them for 285 minus
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Answer:
Step-by-step explanation:
Using the power of power rule (multiply the exponents)
×
×
When exponents are multiplied, add the answers:
x ^ ( 4/9 + 2/9 )
x ^ ( 6/9 )
x ^ ( 2/3 )
The original area of a face would be a^2. Now that you added b to the edge, the new area of each face would be (a+b)^2. To find how much the are increased, subtract a^2 from (a+b)^2. So the answer is b(2a+b)