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Worksheet KEY

RULES: 1)Teams of max 4. 2)Each team rotates on choosing what category to pick 3)Every team has a certain time limit to solve each question 4)Each team who gets it right will get the amount of points 5)Each team who gets it right, will elect someone to shoot. Everyone must shoot. 6)No daily doubles or final jeopardy.

Everything is Not Equal Potpourri In the Intervals Let’s Translate Mother Functions

Potpourri : 1 Point QUESTION: Solve for MR: ANSWER: 82°

Potpourri : 2 Points QUESTION: Solve for x ANSWER: 45°

Potpourri : 3 Points QUESTION: Can a function be a relation? Explain. ANSWER: Yes, functions can be relations.

Potpourri : 4 Points QUESTION: Solve for x ANSWER: x = 7

Potpourri : 5 Points QUESTION: Write this equation as a circle. In circle A has the center of (3, –5) and a point of (7, 0), write an equation of the circle in standard form. ANSWER: (x – 3) 2 + (y + 5) 2 = 41

In the Intervals : 1 Point QUESTION: Write this in Interval Notation, ANSWER:

In the Intervals : 2 Points QUESTION: Solve in Interval Notation and graph on a number line, 2(x + 1) < x – 2 ANSWER:

In the Intervals : 3 Points QUESTION: Solve and graph on a number line, 2 – 5x > 3x – 14 ANSWER:

In the Intervals : 4 Points QUESTION: Solve and graph, x + 3 > 6 or 3 – 2x > 9 ANSWER:

In the Intervals : 5 Points

Let's Translate : 1 Point QUESTION: Identify the new equation, if the parent function is a quadratic function and it moves 3 units up and 4 units to the left ANSWER: y = (x + 4) 2 + 3

Let's Translate : 2 Points QUESTION: Identify the equation using the picture below: ANSWER: y = |x + 5| – 3

Let's Translate : 3 Points

Let's Translate : 4 Points QUESTION: Identify the parent function using these points: {(–2, –7), (–1, 0), (0, 1), (1, 2), and (2, 9)} ANSWER: Cubic

Let's Translate : 5 Points QUESTION: Given these points: {(–2, –7), (–1, 0), (0, 1), (1, 2), and (2, 3)} and instead of (–2, –7) and (–1, 0), we replace it with (–2, 3) and (–1, 2), what is the new parent function? ANSWER: Absolute Value

Mother Functions : 1 Point QUESTION: Identify whether it is a function. If it is a function, identify the domain and range in Interval Notation ANSWER: It is a function, one domain has one range.

Mother Functions : 2 Points QUESTION: Identify whether it is a function. If it is a function, identify the domain and range in Interval Notation. ANSWER: Yes, it is a function D: (–∞, ∞), R: (–∞, 0] U [–2] U (2, ∞)

Mother Functions : 3 Points QUESTION: What is the parent function equation for this graph? ANSWER: y = x 3

Mother Functions : 4 Points QUESTION: Solve for f (0), f (1) and f (–2) for f (x) = 3x ANSWER: f (0) = 1, f (1) = 4 and f (–2) = –23

Mother Functions : 5 Points QUESTION: What is the only parent function whose domain and range is all real numbers but zero? Why? ANSWER: Rational/Reciprocal function because zero causes the equation to be undefined.

Not Equal : 1 Point QUESTION: Solve as an inequality, 2(y + 3) – 8 < 4y + 2 ANSWER: y > –2

Not Equal : 2 Points QUESTION: Solve as an inequality, 9x + 4 < 12x – 11 ANSWER: x > 5

Not Equal : 3 Points

Not Equal : 4 Points QUESTION: Write the inequality, “Dorothy has $30 to spend on holiday cards. Large cards cost $2.50 each and small cards cost $1.50 each. Write the inequality for the number of cards Dorothy can purchase and use x to represent large cards and y to represent small cards. ANSWER: $2.50x + $1.50y < 30

Not Equal : 5 Points QUESTION: Will is going back to school. So far, he has a 85, 73, and 83 on his first three exams. He wants to make 80.0 for the semester. What does he need to at least make on his fourth exam? ANSWER: x > 79