Question

1. Determine whether each relation is a function: (a) {(-7,1), (-5, 1), (-3, 1), (0, 1)} (b) {(-7,6), (-7,7), (-3, -3), (0,0)} 2. Find the indicated function value: (a) f(-2) for f(x) = 2x²-x+4 (b) g(3b) for g(x) = 4x-3 3. Graph the functions f(x)=-2x and g(x) = -2x+3 on the same rectangular coordinate system. Select integers for x from -2 to 2. 765432 Ly 1 7-6-5-4-3-2-1 234567 1 2 3 4 5 6 7

          1. Determine whether each relation is a function:
(a) {(-7,1), (-5, 1), (-3, 1), (0, 1)}
(b) {(-7,6), (-7,7), (-3, -3), (0,0)}
2. Find the indicated function value:
(a) f(-2) for f(x) = 2x²-x+4
(b) g(3b) for g(x) = 4x-3
3. Graph the functions f(x)=-2x and g(x) = -2x+3 on the same rectangular coordinate
system. Select integers for x from -2 to 2.
765432
Ly
1
7-6-5-4-3-2-1
234567
1 2 3 4 5 6 7

1. Determine whether each relation is a function:
(a) (-7,1), (-5, 1), (-3, 1), (0, 1)
(b) (-7,6), (-7,7), (-3, -3), (0,0)
2. Find the indicated function value:
(a) f(-2) for f(x) = 2x²-x+4
(b) g(3b) for g(x) = 4x-3
3. Graph the functions f(x)=-2x and g(x) = -2x+3 on the same rectangular coordinate
system. Select integers for x from -2 to 2.
765432
Ly
1
7-6-5-4-3-2-1
234567
1 2 3 4 5 6 7

Added by Robert M.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

Instant Answer

Solved by Expert Jerelyn Nevil

Step 1

* **Analysis:** In this relation, each x-value (-7, -5, -3, 0) has only one corresponding y-value (1). * **Conclusion:** Therefore, this relation **is a function**. **(b) {(-7,6), (-7,7), (-3, -3), (0,0)}** * **Analysis:** The x-value -7 has two different Show more…

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Determine whether each relation is a function: (a) {(-7,1),(-5,1), (-3,1), (0,1)} (b) {(-7,6), (-7,7), (-3,-3), (0,0)} Find the indicated function value: f(-2) for f(r) = 2r + 4 g(36) for g(r) = 4r - 3 Graph the functions f(x) = 2r and g(x) = 2r + 3 on the same rectangular coordinate system. Select integers for r from -2 to 2.