Answer:
circumference = 2 * 22/7*10
440/7
Step-by-step explanation:
Is it radius or circumference?
The function shown is f(x)= -1/2 cos(x).
sin(x) makes the line way more “curverier” So both sin(x) functions are out. It is NOT 1/2 cos(x) because it would make the y-intercept 0, not .5 In the picture it’s starting at .5 so it’s f(x)=-1/2 cos(x)
Answer:♀️
Step-by-step explanation: