Answer:
4. dy/dx = -2
8. dy/dx = 1/2 x^(-3/2)
10/ dy/dr = 4 pi r^2
Step-by-step explanation:
4. y = -2x+7
dy/dx = -2(1)
dy/dx = -2
8. y = 4 - x^-1/2
dy/dx = - (-1/2x^ (-1/2-1)
dy/dx = 1/2 x^(-3/2)
10. y = 4/3 pi r^3
dy/dr = 4/3 pi (3r^2)
dy/dr = 4 pi r^2
Answer:
48-6n-8
40-6n
Step-by-step explanation:
Answer:
60
Step-by-step explanation:
Answer:
48 yards
Step-by-step explanation:
we know that
The circumference of a circle is equal to

we have

substitute

The answer is D. The word "increased" is translated form in "plus" or "add" algebraically.