Superb job of not giving away answers in the test suite.
The solutions for x<-1 would require y^2<0.
William, expand the right side.
Better bullseye matrix
Find the definite integral of various linear functions
Return area of square
Sums of cubes and squares of sums
Characterize the final state of the digit inventory sequence
Pass the cards in Fitch Cheney's five-card trick
Identify prime words
Determine when snow started
List composite numbers that cannot be written as the sum of two primes
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