The distance from the park to the grocery store is 0.9 mile ezra runs 8 tenths of that distance and walks the rest of the way ho
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f(x)=x²-1
g(x)=2x-3
f(x)*g(x)=(x²-1)*(2x-3)-----------> <span>this function exists for all real numbers</span>
the answer is the interval (-∞,∞)
using a graph tool see the attached figure
