# Calculus

If f(x) is a continuous function defined for all real numbers, f(-1)=1, f(-5)=-10, and f(x)=0 for one and only one value of x, then which of the following could be that x value?
a) -6
b) -5
c) -4
d) 0

1. 👍 0
2. 👎 0
3. 👁 243
1. It has to be between -1 and -5. Are any of the answers in that range?

1. 👍 0
2. 👎 0

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