Evaluate 2x^-4y for x = 2 and y = 4

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

Which of the following graphs could represent a cubic function?