Suppose that for a function f , the equation f (x) = 0 has exactly one real-number solution.
Suppose that for a function f , the equation f (x) = 0 has exactly one real-number solution.
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11. Suppose that for a function { the equation } (x ) = O has exactly one real – number solution
Which of the following statements MUST be true ?
1 1 .
I F
I (`) = 0 for all * in the domain off.
I is a linear function
I has exactly one real – number zero .
D .
I is an invertible function .
12 . The graph of * = f(x ) is shown at the left and the graph of * = ( x ) is shown at the right. ( NO
formulas are given . ] What is the relationship between {(x ) and fix) ?*
12 .
A $ 2 1 1 / 2 + 41
A“2
+ 2 + 4
– 27
– 27
– 4-
* = f(x )
* = E ( ` )
E ( x ) = }(x – 17 – 2
I mi `
E ( x ) = }(x + 1 1 – 2
E ( x ) = 1 (x + 1 1 – 1
ifi
E ( x ) = } ( x + 2) + 2
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