I need help plz I am doing a test.

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Graph y = -|x| + 2. click on the graph until the correct one appears.

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is: