Answer:
The parent function for a concave up parabola with its vertex at the origin is
y=a(x-h)^2+k.
+a points the parabola concave up
-a points the parabola concave down
h moves the vertex along the x axis that many times
k moves the vertex along the y axis that many times.
if you need more clarification comment on this question.
20x^4-39x^3-16x
Make sure to multiply all the terms by each other in the two parentheses
Answer:
look for this i use socratic it tells you the work
