Question

What is the domain of the functionf(x) = 2x + 1 when the range is{-2, 4, 7}?​

Answer 1

Answer:

the domain of the function are {-3/2, 3/2, 3}

Step-by-step explanation:

f(x)=2x+1

range=-2, 4, 7

f(x)=-2

or, 2x+1=-2

or, x=-3/2

f(x)=4

2x+1=4

or, x=3/2

f(x)=7

2x+1=7

or, x=3