Pre-Algebra - Unit 3 Functions Alternate
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Last Name, First *
1. Determine whether the sequence is arithmetic, geometric, or neither: 3, 6, 12, 24, …. *
1 point
arithmetic
geometric
neither
2. Write a function rule for the table. *
1 point
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f(x) = x4 (x to the 4th power)
f(x) = x2 (x squared)
f(x) = 4 – x
f(x) = 4x
3. A zucchini plant in Maria's garden was 12 centimeters tall when it was first planted. Since then, it has grown approximately 0.3 centimeters per day. a. Write a rule to describe the function. *
1 point
H(d) = 0.3d + 12
12d + 0.3
H(d) = 0.3d
H(d) = 0.3 + 12
4. Find the slope of the line. *
1 point
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-1/2
-2
2
1/2
5. A sloth travels at a rate of 0.5 meters per minute. a. Write a rule to describe the function. b. How far will the sloth travel in 8 minutes? *
2 points
d(t) = 0.5t; b. 4 meters
d(t) = t + 0.5; b. 4.3 meters
d(t) = 0.5t + 1; b. 4.1 meters
d(t) = 0.5t; b. 4.2 meters
6. Match y = 3x – 1 with its graph. *
1 point
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7. Is the relationship shown by the data linear? If it is, model the data with an equation. *
2 points
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The relationship is linear. y – 4 = 1 over 2(x – 3)
The relationship is linear. y = 2 over 2(x + 4)
The relationship is linear. y – 10 = 1 over 2(x – 3)
The relationship is not linear.
8. Which function is greatest at x = 2? *
1 point
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