Answer:
Step-by-step explanation:
g(x)= 1/4x^2(x+2)+3
This should help
3 * a - 2 = a + 10
7.4 miles per hour
To find her speed in miles per hour, divide the amount of miles she ran by the number of hours:
5.55/0.75
= 7.4
So, her speed is 7.4 miles per hour
