Answer:
See Explanation
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
The line crosses the y-axis at 3, and has a slope of -1/5. You can use the formula y=mx+b where m represents the slope and b is the point at which the line crosses the y-axis.
Answer:
The person has a speed of 12 miles per hour.
Step-by-step explanation:
The ratio is 12 miles to 1 hour.
This means, that in every hour, the person can move 12 miles and has a speed of 12 miles per hour.
Answer:
P(x) = - 1.7x + 55
Step-by-step explanation:
x denotes the years that have passed since 2000. So for year 2000, x = 0
Therefore we have that when x₁ = 0, y₁ = 55. From the information given by the problem we know that the slope m is -1.7.
So by substituting these values in the formula y-y₁ = m( x - x₁) we get:
y - 55 = -1.7 (x - 0)
y - 55 = -1.7x
y = - 1.7x + 55
Thus our function P(x) that models the percentage of residents who regularly used the news outlet x years after 2000 is
P(x) = -1.7x + 55
