Question

calc problem!! medal!!

Answer 1

Opened same question?

Answer 2

If f(x) is a continuous function defined for all real numbers, f(–10) = –2, f(–8) = 5, and f(x) = 0 for one and only one value of x, then which of the following could be that x value?

Answer 3

sorry! i meant this

Answer 4

@hartnn i meant this problem!

Answer 5

so you can see that the curve must pass the x axis atleast once
because at -10, y value is negative
at -8 it is positive

so somewhere in between, the y value must become 0

makes sense ?