Question

Let A = {-2, -1, 0} and f(x) = 2x – 3 then the range of f is

Answer 1

Answer:

f is {-7,-5,-3}

Step-by-step explanation:

f(-2)=2(-2)-3

=-4-3

=-7

f(-1)=2(-1)-3

=-2-3

=-5

f(0)=2(0)-3

=0-3

=-3

Answer 2

SOLUTION

GIVEN

Let A = {-2, -1, 0} and f(x) = 2x – 3

TO DETERMINE

The range of f

EVALUATION

Here the given set is

A = {-2, -1, 0}

f(x) = 2x – 3

Now

f( - 2) = - 4 - 3 = - 7

f( - 1) = - 2 - 3 = - 5

f( 0) = 0 - 3 = - 3

Hence the required range of f

= { - 7 , - 5 , - 3 }

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