Question 1 A
To determine for which x-values \( f(x) > g(x) \), we can assess the values given in the table:
| x | f(x) | g(x) | |----|------|------| | -2 | 7 | -10 | | -1 | 4 | -3 | | 0 | 3 | -2 | | 1 | 4 | -1 | | 2 | 7 | 6 | | 3 | 12 | 25 | | 4 | 19 | 62 |
Now, let's compare \( f(x) \) and \( g(x) \):
- For \( x = -2 \): \( 7 > -10 \) (True)
- For \( x = -1 \): \( 4 > -3 \) (True)
- For \( x = 0 \): \( 3 > -2 \) (True)
- For \( x = 1 \): \( 4 > -1 \) (True)
- For \( x = 2 \): \( 7 > 6 \) (True)
- For \( x = 3 \): \( 12 < 25 \) (False)
- For \( x = 4 \): \( 19 < 62 \) (False)
The x-values for which \( f(x) > g(x) \) are \( -2, -1, 0, 1, 2 \).
Answer: {−2,−1,0,1,2}
Question 2 A
To find the intersection points of \( f(x) \) and \( g(x) \):
| x | f(x) | g(x) | |----|------|------| | -2 | -7 | -1 | | 0 | 0 | 0 | | 1 | 1 | 1 | | 2 | 2 | 2 | | 9 | 3 | 3 |
Let's compare:
- At \( x = -2 \): \( -7 < -1 \)
- At \( x = 0 \): \( 0 = 0 \) (Intersection)
- At \( x = 1 \): \( 1 = 1 \) (Intersection)
- At \( x = 2 \): \( 2 = 2 \) (Intersection)
The functions intersect at 3 points: \( x = 0, 1, 2 \).
Answer: 3
Question 3 A
The characteristic that is consistent across all linear, quadratic, and exponential functions is the y-Intercept. Each of these function types will have a y-intercept at the point where \( x = 0 \).
Answer: y-Intercept