Compare two functions given in different ways

Question 1

Function A: y = −x + 3. Function B is a line through (1, 4) and (2, 0). Which has the greater initial value (y-intercept)?

• A. A
• B. B

Question 2

Mateo's savings: y = 7x + 0. Omar's savings (x = weeks): weeks 0, 1, 2, 3 → 6, 9, 12, 15. Who saves more per week?

• A. Mateo
• B. Omar

Question 3

Function A: y = 3x. Function B is a line through (1, 5) and (2, 7). Which has the greater initial value (y-intercept)?

• A. A
• B. B

Question 4

Liam's savings: y = 5x + 1. Kwame's savings (x = weeks): weeks 0, 1, 2, 3 → 2, 5, 8, 11. Who saves more per week?

• A. Liam
• B. Kwame

Question 5

Function A: y = 4x + 8. Function B is a line through (1, 8) and (2, 10). Which has the greater initial value (y-intercept)?

• A. A
• B. B

Question 6

Ravi's savings: y = 6x + 4. Aisha's savings (x = weeks): weeks 0, 1, 2, 3 → 10, 15, 20, 25. Who saves more per week?

• A. Ravi
• B. Aisha

Question 7

Function A: y = −x + 6. Function B is a line through (1, −5) and (2, −8). Which has the greater initial value (y-intercept)?

• A. A
• B. B

Question 8

Ines's savings: y = 5x + 3. Ravi's savings (x = weeks): weeks 0, 1, 2, 3 → 10, 13, 16, 19. Who saves more per week?

• A. Ines
• B. Ravi

Question 9

Function A: y = −4x. Function B is a line through (1, 5) and (2, 6). Which has the greater initial value (y-intercept)?

• A. A
• B. B

Question 10

Hana's savings: y = 2x + 2. Kofi's savings (x = weeks): weeks 0, 1, 2, 3 → 2, 10, 18, 26. Who saves more per week?

• A. Hana
• B. Kofi

Question 11

Function A: y = −x + 2. Function B is a line through (1, −6) and (2, −7). Which has the greater initial value (y-intercept)?

• A. A
• B. B

Question 12

Mateo's savings: y = 9x + 8. Arjun's savings (x = weeks): weeks 0, 1, 2, 3 → 6, 13, 20, 27. Who saves more per week?

• A. Mateo
• B. Arjun

Question 13

Function A: y = 4x + 7. Function B is a line through (1, −6) and (2, −8). Which has the greater initial value (y-intercept)?

• A. A
• B. B

Question 14

Jamal's savings: y = 8x + 2. Kai's savings (x = weeks): weeks 0, 1, 2, 3 → 6, 15, 24, 33. Who saves more per week?

• A. Jamal
• B. Kai

Question 15

Function A: y = 2x. Function B is a line through (1, 7) and (2, 8). Which has the greater initial value (y-intercept)?

• A. A
• B. B

Question 16

Sofia's savings: y = 4x + 1. Leo's savings (x = weeks): weeks 0, 1, 2, 3 → 3, 12, 21, 30. Who saves more per week?

• A. Sofia
• B. Leo