Sample Work Assignment Algebra 1A
Chapter 4
You must show all work. No decimal answers.
Sketch a graph to represent the situation. Label each section.
1. The temperature changed as Nadia preheated the oven, baked the cookies, and turned the oven off.
For the table, determine whether the relationship is a function. Then represent the relationship using words, an equation, and a graph.
2.
x y
0 4
1 3
2 2
3 1
Write a function rule that represents each sentence.
3. 11 less than the product of a number y and -2 is z.
4. 5 less than the quotient of a number n and 4 is m.
Find the range of each function for the given domain.
5. f(x) = -2x + 1; {-6, -2, 0}
6. f(x) = x3 + 1; {-2, -1, 3}
Tell whether the sequence is arithmetic or not. If the sequence is arithmetic, write a function rule to represent it.
7. -19, -11, -3, 5, . . . . . .
8. Write a function rule for the area of a rectangle whose length is 5 in. more than its width. What is the area of the rectangle when its width is 8 in.?