Question Detail

MTH 101 MTH 101 Past Questions Objective Question
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Question

If f(x) = 2x - 8, and f: A → B where A = {1,2,3}, what is the range B?
Options
A {-7,-6,-5}
B {-6,-4,-2}
Correct Answer
C {-4,-2,0}
D {1,2,3}
Correct Answer

Option B is the correct answer.

Detailed Explanation

f(1) = 2(1)-8 = -6, f(2) = 2(2)-8 = -4, f(3) = 2(3)-8 = -2. So range = {-6,-4,-2}.

Hint

The notes indicate answer B.

Question Info

Course: MTH 101
Topic: MTH 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 162 of 696
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