MATH

1. The population of a city increases by 4000 people each year. In 2025, the population is projected to be 450,000 people. What is an equation that gives the city's population p (in thousands of people) x years after 2010?

A) p=4x+450

B)p-450=4(x-5)

C)p-15=4(x-450)

D) p=4x+15

i keep getting a different answer. somebody pls help me!?? thanks

asked by SkatingDJ
  1. You have a point (15,450) and a slope (4), so the line should be

    p-450 = 4(x-15)

    I'd say (B) with a typo

    posted by Steve
  2. you sure

    posted by bobby
  3. Steve, there was a typo. :)

    posted by hi
  4. 1. y-6 = -12(x + 4)
    C. y = -12x - 42

    2. y + 4 = -5(x - 3)
    C. (3, -4)

    3. (6, -3) and (-4, -9)
    D. y + 3 = 3/5(x - 6)

    4. The population of a city increases by 4,000...
    B. p - 450 = 4(x - 15)

    5. y - 3 = -3/2(x + 4)
    B. The graph in which the line passes through points: (2, -6) (-6, 6)

    posted by Jules
  5. 1.c
    2.c
    3.d
    4.b
    5.c

    posted by you're welcome
  6. if your on conexus^

    posted by you're welcome
  7. TYSM, all of those are correct ^^

    posted by Meegan ^-^
  8. actually 5 is B not C

    posted by Kezie

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