Question: Part ( a ) Write a formula for the power, ( P _ { 1 } ) , of the upper portion of

Part (a)
Write a formula for the power, \( P_{1}\), of the upper portion of the bifocals, in terms of the given quantities, that will enable the person to see distant objects clearly.
\[
P_{1}=
\]
Grade Summary
Deductions
Part ( a ) Write a formula for the power, \ ( P _

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