Answer:
Step-by-step explanation:
A tennis ball is a sphere
Volume of a sphere ===> v= \frac{4}{3} \pi r^3
Plug in the given info
v= \frac{4}{3} (3.14) (6.7)^3
Do the math to get a final answer of:
v= \frac{4}{3} (3.14) (6.7)^3=1259.19cm^3
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If you have a point you can use to find b you would have the complete equation.
Answer:
Option (2). Increasing x > 0; decreasing x < 0
Step-by-step explanation:
Equation of the parabola having vertex (0, 3) will be,
y = (x - 0)² + 3
y = x² + 3
To check the function is increasing or decreasing in the given intervals we will find the derivative of the function,

y' = 2x
For x < 0 Or x = -1
y' = 2(-1)
= -2 < 0
Therefore, function is decreasing in x < 0
For x > 0 Or x = 1
y' = 2(1) + 3
= 5 > 0
Therefore, function is increasing in x > 0
Option (2) is the answer.
Answer:
C. None of the above.
Step-by-step explanation:
x − (−x) + y
x + x + y
= 2x + y.