Quiz-Tree
Question 1
The function \(f(x) = x^2 - 4x + 3\) models the height, in feet, of a decorative water arc at a fountain, where \(x\) is the horizontal distance in feet from the nozzle. What is the value of \(f(0)\)?
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Answer question 1 to unlock
The function \(g(x) = -2(x - 3)^2 + 8\) represents the profit, in hundreds of dollars, a food truck earns when it sells \(x\) hundred meals in a day. What is the maximum profit?
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Answer question 2 to unlock
A researcher records the number of downloads for a new app over four weeks:
\[\begin{array}{|c|c|} \hline \textbf{Week} & \textbf{Downloads} \\ \hline 1 & 80 \\ 2 & 240 \\ 3 & 720 \\ 4 & 2{,}160 \\ \hline \end{array}\]
Which type of function best models the relationship between week number and downloads?
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Answer question 3 to unlock
A car's value \(V\), in dollars, \(t\) years after purchase is modeled by \(V(t) = 24{,}000 \cdot (0.85)^t\). What does the number 0.85 represent in this context?
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Answer question 4 to unlock
A population of bacteria doubles every hour. If the initial population is 500, which function gives the population \(P\) after \(t\) hours?
correct answers
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