Marge's age : x
(9x-2)+6=40
9x-2=34
9x=36
x=4
Marge is 4 years old.
Hope this helps!
Answer:
A cubic function is a polynomial function of degree 3. So the graph of a cube function may have a maximum of 3 roots. i.e., it may intersect the x-axis at a maximum of 3 points. Since complex roots always occur in pairs, a cubic function always has either 1 or 3 real zeros. It cannot have 2 real zeros.
Step-by-step explanation:
4 1/2 mph and I'm not sure about the other one sorry.
Answer:
Step-by-step explanation:
hi: the second, the third and the last one are true