Distance
Are the following coordinates a solution to the function f(x) = x
2
- x + 3 ?
(-2, 9)
f(x) = x
2
- x + 3
f(-2) = (-2)
2
- (-2) + 3 = 9
f(-2)= 4 + 2 + 3 = 9
9 = 9
Therefore (-2, 9) is a solution
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