
Setting

gives

, or

. This also makes

.
When

, you have

, while when

, you have

.
Putting everything together, you find that

which means (B) is the correct answer.
Answer: $2.40
Step-by-step explanation: 16 times 15 equals 240 you get your decimal point and move it twice to the the left
Point slope form:
we need a point (x₀,y₀) and the slope (m).
y-y₀=m(x-x₀)
In this case:
m=3
(5,19)
y-19=3(x-5)
y-19=3x-15
y=3x-15+19
y=3x+4
Answer: y=3x+4
Answer:
b. negative; as time passes, speed decreases
Step-by-step explanation:
Given

Required
Determine the type of correlation
Split the above values as:


Notice that as time (x) increases from 5 to 10, and then 15......
Speed (y) value reduces from 15 to 13 .....
The above scenario represents a negative correlation
<em />
<em>Hence, (b) is correct.</em>
Answer:
10.2846
Step-by-step explanation: