given f(x) and g(x) = f(x + k), use the graph to determine the value of k.

a) −4
b) −2
c) 2
d) 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.

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Which expression is equivalent to the expression shown?