Question

Evaluate F(1)


`f(x) =\left \{ {{x^(2) +3 (if) -5 \leq x< 1} \atop {x (if) 1 \leq x \leq 5 }} \right.`

Answer 1

ANSWER

B. 1

Step-by-step explanation

The given function is

`f(x) =\left \{ {{x^(2) +3 (if) -5 \leq x< 1} \atop {x (if) 1 \leq x \leq 5 }} \right.`

This is a piece-wise defined function.

We want to find f(1)

We substitute x=1 into f(x)=x because, 1 belongs to the interval,

1≤x≤5

f(1)=1

The correct answer is B.