We know that the line is tangent at the point (2,8)
The derivative of the function at x=2 is

So, the tangent line passes through the point (2,8) and has slope 2. The equation is

This line crosses the x axis where y=0:

Answer:
C.
Step-by-step explanation:
Not A. because that excludes people under the age of 50.
Not B. because that excludes females.
C. could be correct because it includes many different ages.
Not D. because all is not a sample.
Answer:
1/4 mile = 3960 ft
Step-by-step explanation:
1 mile = 5280 ft
1/4 = 0.75
0.75 = x
0.75 × 5280 = x
3960 = x
Answer:
6.19
Step-by-step explanation:
I hope this helps you
#11 and #12 have no solutions, #13 has a solution which is 14