CLICK HERE TO ACCESS THE COMPLETE Test Bank Ch. 2 Functions and Their Graphs 2.1 Functions 1 Determine Whether a Relation Represents a Function MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Determine whether the relation represents a function. If it is a function, state the domain and range. 1) 4 → 20 6 → 30 8 → 40 10 → 50 A) function domain: {4, 6, 8, 10} range: {20, 30, 40, 50}
B) function domain:{20, 30, 40, 50} range: {4, 6, 8, 10}
C) not a function
B) function domain: {Ms. Lee, Mr. Bar} range: {Bob, Ann, Dave}
C) not a function
B) function domain: {6, 3, -4, -1} range: {-3, 0, 3, 7}
C) not a function
2) Bob Ann Dave
carrots peas squash
A) function domain: {Bob, Ann, Dave} range: {carrots, peas, squash} B) function domain: {carrots, peas, squash} range: {Bob, Ann, Dave} C) not a function 3) Bob Ann Dave
Ms. Lee Mr. Bar
A) function domain: {Bob, Ann, Dave} range: {Ms. Lee, Mr. Bar} 4) {(-3, 6), (0, 3), (3, -4), (7, -1)} A) function domain: {-3, 0, 3, 7} range: {6, 3, -4, -1}
5) {(-1, -4), (-2, -3), (-2, 0), (7, 3), (23, 5)} A) function B) function domain: {-1, 7, -2, 23} domain: {-4, -3, 0, 3, 5} range: {-4, -3, 0, 3, 5} range: {-1, 7, -2, 23}
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C) not a function