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According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?