Answer:
Step-by-step explanation:
10
2+10+18+14+6= 50
then divide by 5 to get mean = 10
f(x) crosses the x-axis, then
f(x)=(x+4)^6(x+7)^5 = 0
=> x+4 =0 or x+7=0
=> x =-4 or x = -7
20.8 cm
so sorry if incorrect :(
