Answer:On a graph, these values form a curved, U-shaped line called a parabola. All quadratic functions form a parabola on a graph. ... Quadratic functions are used to describe things with smooth symmetrical curves, like the path of a bouncing ball or the arch of a bridge.
Step-by-step explanation:
Answer:
2x=140
x=70
Step-by-step explanation:
Explanation is in the file
tinyurl.com/wpazsebu
Step-by-step explanation:
explain step by step on photo, double check just in case
4(r)^x=y
4(r)^(1)=2
r=1/2
y=4*(1/2)^x