You want to see if your dog will respond when you open the front door. after many attempts, you found that the dog barked 75% of the time when you opened the door. suppose you open the door 8 times. how many times do you expect your dog to bark?

2nd one in the first row is correct

(f - g)(x) = 5x^3 - 3

step-by-step explanation:

rearrange these functions vertically, with like terms in separate columns:

f(x) = 5x^3 - 2

g(x) =         +1

now subtract, column by column:

(f - g)(x) = 5x^3 - 3

answer: 0.64

step-by-step explanation: