The third option because the exterior angles of a triangle have to add up to 360 making that the right option
The point of inflection is calculated by equating the second derivative to zero and determining x from there.
f"(x) = -x²2xsinx² + cosx²(2x) = 0
2xcosx² - 2x³sinx² = 0
2x (cosx² - xsinx²) = 0
2x = 0 ⇒ x = 0
cosx² - xsinx² = 0 ⇒ x = 3.82 (if you use shift+solve in your scientific calculator)
Thus, the function only has 1 point of inflection and it is at x = 0.
1. B 2. C 3. A 4. A 5. A 6. B
Yes it is right because 497/8 and 491 /8 if u add it is 989/6
Answer:
<em>105 total minutes.</em>
Step-by-step explanation:
15 * 7 = 105
Other Scenario:
Kathy worked out for 7 hours a day for a total of 2 weeks and one day, how many hours did she work out in total?