The time changes depending on how fast the truck is going-so it's dependent
50 miles and the truck do not change no matter what-so they are constant
The speed of the truck changes the time-so the speed is the independent
4x^2+16x+14=0
I just transfered the given equation to the other side..that must be in a standard form where ax^2+bx+c=0
Option C.
No matter how much n decreases, -1 will always be bigger than 9n.
I think n=0 but i'm not sure
Answer:
81
Step-by-step explanation:
To evaluate substitute x = - 2 into the expression
4( - 2)² - 20(- 2) + 25
= (4 × 4) + 40 + 25 = 16 + 40 + 25 = 81
