What is the domain of the piecewise defined function? a. (-2), (1, ∞)
b. All Real Numbers
c. (-∞, 1], (2, ∞)
d. (-3, 4)

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.