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Louisiana LEAP 2025 Algebra I functions quiz (F-IF, F-BF, F-LE) quiz

12questions. Pick an answer and you'll see why right away.

  1. If f(x)=3x2−5f(x) = 3x^2 - 5, find f(−2)f(-2).

  2. A function is the set of points {(1,2),(3,4),(5,6)}\{(1, 2), (3, 4), (5, 6)\}. What is its domain?

  3. For f(x)=5−2xf(x) = 5 - 2x, find f(−1)f(-1).

  4. On a graph, a function rises from left to right between x=1x = 1 and x=4x = 4. This interval is:

  5. A downward parabola models a ball's height, peaking at 36 feet at 1.5 seconds. The maximum represents:

  6. For f(x)=x2f(x) = x^2, find the average rate of change from x=1x = 1 to x=4x = 4.

  7. A population is 200 at year 0 and 450 at year 5. What is the average rate of change?

  8. A pool has 50 gallons and is filled at 8 gallons per minute. Which models the gallons after tt minutes?

  9. A bacteria count starts at 100 and doubles every hour. Which models the count after hh hours?

  10. An arithmetic sequence is 4,7,10,13,…4, 7, 10, 13, \ldots. Find the 20th term.

  11. A geometric sequence is 3,6,12,24,…3, 6, 12, 24, \ldots. Find the 6th term.

  12. Equally spaced xx-values give the outputs 1,4,9,161, 4, 9, 16. Which family is this?