Let f(x) = -­2x ­- 7 and g(x) = ­-4x + 3. find (f o ­5)
a. -9
b. 3
c. -53
d. 23

Could somebody me with this radical simplification?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.