Question

The values in the table represent the graph of a continuous function. Which interval must contain an x-intercept?

X=-3.1,-2.7,-2.3,-1.9,-1.5,-1.1,-0.7,-0.3,0.1
Y=-1.85,-0.84,-0.09,0.44,0.79,1.00,1.10,1.13,1.13

–3.1 < x < –2.7
–2.3 < x < –1.9
–1.5 < x < –1.1
–0.3 < x < 0.1

Answer 1

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