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Question 3 - 10
• Compare the graph of the function with the graph of f(x) = x² and describe it’s transformation.
Answer 3 – 10
The graph will be a Maximum instead of a Minimum and the
vertex will be translated down 5 units.
Question 3 - 30
• The height of a rocket fired from a platform 80 feet above the ground is modeled by the equation h(t) = -16t² + 64t + 80, where h is the height of the rocket and t is the time in seconds. Find the maximum height of the rocket.
Question 3 - 50
• Solve the equation using the quadratic formula. Round your answer to the nearest hundreth.
Question 4 - 40
A $1600 computer is losing value at a rate of 10% per year. Write an exponential function to model the situation and state its value after 5 years.
Question 4 - 50Francium-233 has a half-life of 22 minutes. Find the amount of Francium-233 left from an 88 gram sample after 54 minutes.
Question 5 - 10
An experiment consists of pushing the random select button on a CD player for a disc with five tracks. Use the results in the table to find the experimental probability of selecting Track 4.
Question 5 - 20
An experiment consists of pushing the random select button on a CD player for a disc with five tracks. Use the results in the table to find the experimental probability of selecting an odd number track.
Question 5 - 30
Find the Theoretical Probability of randomly selecting a vowel from all the letters in the word VOWELS.
Question 5 - 40
Find the Theoretical Probability of picking a red marble out of a bag with 3 green, 5 blue, 2 red, and 6 yellow marbles.
Question 5 - 50
A Physical Education class has 12 boys and 18 girls. Each day, the teacher randomly selects a team captain. Assume that no student is absent. What is the probability that the team captain is a girl two days in a row?