Answer:
Hope this helps
Step-by-step explanation:
Answer:
the slope represents 10 dollars for every guest where x = guest
Step-by-step explanation:
Use the the double angle formula:
sin(2A)=2sin(A)cos(A)
substitute 2x for A, then
20sin(2x)cos(2x)=10(sin(2(2x))cos(2(2x))=10sin(4x)