TEST 2: Function Representations REVIEW

. A ball is thrown into the air from the edge of a 48-foot-high cliff so that it eventually lands on the ground. The graph below shows the height, y, of the ball from the ground after x seconds. What is the domain and range of the

function for this situation?

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What is the Domain of this graph?

• -7 < x < 5

• -7 ≤ x < 5

• -3 < x < 1

• -3 ≤ y < 1

The graph of quadratic function f is shown on the grid.

Which of these best represents the domain of f?

• −3 ≤ x ≤ 2

• All real numbers

• y ≥ 5.5

• All real numbers less than −3 or greater than 2

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened, x, and the total fitness club membership, y?

• y=15x
• y=15x+80
• y=x+15
• y=80x+15

Identify the y-intercept of the graph.

• (0, 3)

• (-1, 0)

• (0, -1)

• (3, 0)

Identify the graph with a x-intercept of 3 and a y-intercept of - 1

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Which one represent a funtion relationship?

• 1st

• 2nd

• 3rd

• 4th

Identify the graph with a x-intercept of -2 and y-intercept of 2

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If f(x) = 2x + 1, find f(1).

• f(1) = 1

• f(1) = 4

• f(1) = 0

• f(1) = 3

If f(x) = -4(5-2x) what is f(-5)?

• 7
• -60

• -9
• -10